锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�

时锟戒：2024-07-08 10:08:28 锟斤拷学锟斤拷锟� 锟斤拷要投锟斤拷

锟斤拷锟斤拷锟斤拷为一锟斤拷锟斤拷师锟斤拷锟杰诧拷锟缴憋拷锟斤拷锟斤拷锟揭拷锟叫达拷锟窖э拷锟狡ｏ拷锟斤拷锟斤拷锟斤拷学锟斤拷瓶锟斤拷愿锟斤拷玫锟斤拷锟街拷锟窖э拷疃拷锟斤拷锟街拷锟绞裁达拷锟斤拷慕锟窖э拷锟狡诧拷锟斤拷锟斤拷实锟斤拷效锟截帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷摹锟斤拷锟斤拷锟斤拷锟斤拷锟绞讹拷锟斤拷锟窖э拷锟狡ｏ拷锟斤拷锟斤拷也慰锟斤拷锟斤拷锟斤拷希锟斤拷锟斤拷锟皆帮拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟窖★拷

“倒数的认识”教学设计

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�1

锟斤拷锟斤拷锟斤拷学锟截点：锟斤拷识锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟窖点：小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟斤拷锟教ｏ拷

锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷训锟斤拷

锟斤拷锟斤拷锟斤拷锟姐：

锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟绞裁达拷氐悖�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥乘伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷俪锟斤拷嘶锟斤拷锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟介：锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰匡拷

锟斤拷锟斤拷锟秸诧拷锟斤拷锟斤拷锟斤拷锟劫筹拷锟侥乘伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷之锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷墓锟较碉拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟介：锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟铰课斤拷学

锟斤拷锟斤拷1锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷系锟截ｏ拷

锟斤拷锟斤拷锟诫看锟斤拷锟斤拷锟斤拷么锟斤拷锟角撅拷说锟角的碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷说锟斤拷

锟斤拷锟斤拷锟角的碉拷锟斤拷锟斤拷也锟斤拷锟斤拷说锟酵伙拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟酵达拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷系锟截ｏ拷2锟斤拷锟截ｏ拷

锟斤拷锟斤拷2锟斤拷锟筋化锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟绞ｏ拷锟斤拷什么锟角伙拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷浠帮拷锟斤拷锟斤拷锟斤拷锟剿碉拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟角ｏ拷锟侥碉拷锟斤拷锟角ｏ拷......锟斤拷锟斤拷说锟角碉拷锟斤拷锟斤拷要说锟斤拷锟斤拷谁锟侥碉拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷0锟叫碉拷锟斤拷锟斤拷为什么锟斤拷1锟叫碉拷锟斤拷锟斤拷什么锟斤拷锟斤拷0锟斤拷然锟斤拷锟皆匡拷锟斤拷锟斤拷锟斤拷之0锟斤拷锟界，锟斤拷......锟斤拷锟角把凤拷锟接★拷锟斤拷母锟斤拷锟斤拷位锟矫ｏ拷锟斤拷母为0锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷0锟斤拷锟轿猴拷锟斤拷锟斤拷锟饺次�0锟斤拷1锟斤拷锟斤拷写锟斤拷锟斤拷1锟斤拷锟斤拷嘶锟斤拷锟�1锟斤拷锟斤拷锟较碉拷锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷1锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷

锟斤拷锟斤拷锟斤拷师锟斤拷锟缴ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟截ｏ拷锟斤拷同学锟斤拷锟斤拷锟斤拷写一写锟斤拷

锟斤拷锟斤拷锟劫筹拷示锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷写锟斤拷锟斤拷锟斤拷'锟斤拷锟斤拷

锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟桔后，斤拷师锟斤拷锟斤拷锟教帮拷锟斤拷锟斤拷锟铰ｏ拷

锟斤拷锟斤拷锟斤拷锟皆的碉拷锟斤拷锟角ｏ拷锟侥碉拷锟斤拷锟角★拷

锟斤拷锟斤拷锟斤拷锟杰诧拷锟斤拷写锟缴ｏ拷为什么锟斤拷锟斤拷

锟斤拷锟斤拷锟杰结：锟斤拷一锟斤拷锟斤拷锟斤拷0锟斤拷锟解）锟侥碉拷锟斤拷锟斤拷只要锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷印锟斤拷锟侥革拷锟斤拷锟轿伙拷谩锟�

锟斤拷锟斤拷锟斤拷锟筋化

锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷锟斤拷牡锟斤拷锟斤拷穑浚锟窖э拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�2

锟斤拷锟斤拷锟斤拷学目锟疥：

锟斤拷锟斤拷1锟斤拷锟斤拷学锟斤拷通锟斤拷探锟斤拷锟筋动锟斤拷锟斤拷识锟斤拷锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷锟揭碉拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷学锟斤拷锟桔察、锟斤拷锟缴★拷锟斤拷锟斤拷锟酵革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷

锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷疃拷榫帮拷锟斤拷锟斤拷锟斤拷锟筋。

锟斤拷锟斤拷锟斤拷示锟斤拷1锟斤拷一锟斤拷锟斤拷式锟斤拷锟斤拷展小锟斤拷疃拷锟斤拷锟揭伙拷悖拷锟揭伙拷遥锟斤拷锟斤拷锟斤拷锟绞斤拷锟绞裁达拷氐悖�

锟斤拷锟斤拷小锟斤拷惚拷锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷悖拷锟斤拷锟矫匡拷锟斤拷锟绞斤拷某嘶锟斤拷锟斤拷锟�1.通锟斤拷锟桔察发锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷雍头锟侥革拷锟轿伙拷锟斤拷堑叩锟斤拷模锟�

锟斤拷锟斤拷师锟斤拷同学锟角凤拷锟斤拷锟斤拷每锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟侥革拷锟斤拷玫叩锟斤拷锟轿伙拷茫锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟藉：锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟斤拷锟桔ｏ拷锟斤拷锟斤拷锟斤拷锟解。

锟斤拷锟斤拷锟斤拷学锟斤拷说说锟皆碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷狻�

锟斤拷锟斤拷锟斤拷锟斤拷:锟斤拷为锟斤拷什么锟斤拷思锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷之锟斤拷墓锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷嗷ワ拷锟斤拷妫伙拷锟斤拷锟斤拷锟斤拷芙械锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷木锟斤拷哟锟斤拷锟斤拷锟斤拷锟�?应锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷为3锟斤拷44锟斤拷3锟斤拷1锟斤拷锟斤拷锟斤拷锟侥凤拷之锟斤拷锟角碉拷锟斤拷锟斤拷锟斤拷锟斤拷之锟斤拷也锟角碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫革拷锟筋，探锟街凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷示锟斤拷2锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟姐报锟揭的斤拷锟斤拷锟斤拷锟剿狄凰碉拷锟斤拷锟斤拷业锟斤拷模锟�

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥乘伙拷锟角诧拷锟斤拷1锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷`锟斤拷锟斤拷锟斤拷锟侥革拷欠锟街憋拷叩锟斤拷锟轿伙拷谩锟�

锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷一锟街凤拷锟斤拷锟饺较快？锟斤拷锟节讹拷锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷直锟接观诧拷玫锟斤拷锟斤拷锟�

锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷实锟斤拷锟杰斤拷锟斤拷锟斤拷业锟斤拷锟斤拷姆锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷母锟斤拷锟斤拷位锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷3锟斤拷55锟組3 3锟組5锟侥碉拷锟斤拷锟斤拷5锟組3

锟斤拷锟斤拷锟斤拷2锟斤拷锟揭碉拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟饺帮拷锟斤拷锟斤拷锟斤拷锟缴凤拷母锟斤拷1锟侥凤拷锟斤拷锟斤拷锟节斤拷锟斤拷锟斤拷锟接和凤拷母锟斤拷位锟矫★拷

锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷母锟斤拷锟斤拷位锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷6锟斤拷1锟組6 6锟侥碉拷锟斤拷锟斤拷1锟組6.

锟斤拷锟斤拷锟侥★拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷2锟叫碉拷锟斤拷些锟斤拷锟斤拷没锟斤拷锟揭碉拷锟斤拷锟斤拷锟斤拷锟斤拷1,0锟斤拷

锟斤拷锟斤拷锟斤拷锟绞ｏ拷1锟斤拷0锟斤拷没锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷校锟斤拷嵌锟斤拷伲锟�

锟斤拷锟斤拷小锟斤拷锟斤拷锟桔★拷锟姐报锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷为11锟斤拷1锟斤拷锟斤拷锟捷乘伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷1. 锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷母锟斤拷位锟斤拷

锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟狡碉拷锟斤拷1锟斤拷 1锟組1锟斤拷1,1锟侥碉拷锟斤拷锟斤拷1.

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷0锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷为0锟斤拷锟轿猴拷锟斤拷锟斤拷硕锟斤拷锟斤拷锟斤拷锟�1锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷母锟斤拷位锟斤拷

锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟狡碉拷锟斤拷0锟斤拷0锟組11锟組0锟斤拷锟斤拷母锟斤拷锟斤拷为0锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟藉、锟斤拷锟斤拷锟斤拷习

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷榷锟斤拷锟斤拷锟斤拷锟斤拷锟饺拷嘟伙拷锟斤拷锟�

锟斤拷锟斤拷2锟斤拷锟斤拷习锟斤拷锟斤拷3锟解。

锟斤拷锟斤拷锟矫讹拷媒锟斤拷锟酵队帮拷锟斤拷锟斤拷示锟斤拷学锟斤拷锟叫断ｏ拷锟斤拷说锟斤拷锟斤拷锟缴★拷

锟斤拷锟斤拷3锟斤拷同锟斤拷锟斤拷锟叫伙拷说锟斤拷锟斤拷锟筋动锟斤拷锟斤拷习锟斤拷锟斤拷2锟解）锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟杰斤拷

锟斤拷锟斤拷锟斤拷锟斤拷学习锟斤拷什么锟斤拷

锟斤拷锟斤拷什么锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭碉拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�3

锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟捷★拷

锟斤拷锟斤拷锟教诧拷P28页锟叫碉拷锟斤拷1锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷习锟斤拷锟叫的诧拷锟斤拷锟斤拷习锟解。

锟斤拷锟斤拷锟斤拷锟斤拷学目锟疥】

锟斤拷锟斤拷1锟斤拷知识锟诫技锟杰ｏ拷通锟斤拷一些实锟斤拷锟斤拷探锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷盏锟斤拷锟斤拷锟斤拷锟斤拷濉ｏ拷诤锟斤拷锟教斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟诫方锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷通锟斤拷锟斤拷锟介、锟叫撅拷锟斤拷锟斤拷锟狡碉拷实锟斤拷锟筋动锟斤拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉，锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷狻拷锟教斤拷锟斤拷狻⒂︼拷锟街讹拷墓锟斤拷蹋锟斤拷锟斤拷锟斤拷芙锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟斤拷小锟教拷锟斤拷锟斤拷值锟桔ｏ拷通锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟筋动锟斤拷锟斤拷锟斤拷锟斤拷学学习锟斤拷锟斤拷趣锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷锟斤拷锟斤拷学习锟斤拷校锟斤拷锟斤拷珊锟斤拷锟教斤拷锟斤拷锟斤拷锟斤拷习锟竭★拷

锟斤拷锟斤拷锟斤拷锟斤拷学锟截点】

锟斤拷锟斤拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉，学锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷学锟窖点】

锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟皆硷拷0锟斤拷1锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟介境锟斤拷锟斤拷锟斤拷锟秸碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟诫讲锟斤拷锟斤拷锟较等★拷

锟斤拷锟斤拷锟斤拷锟教撅拷准锟斤拷锟斤拷

锟斤拷锟斤拷锟轿硷拷

锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟教★拷

锟斤拷锟斤拷一锟斤拷锟斤拷趣锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟介“锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟铰结构锟斤拷锟街ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷碌叩锟斤拷统锟斤拷恕锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷械锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷墓锟斤拷止锟斤拷桑锟斤拷锟斤拷纾拷印锟斤拷锟斤拷锟斤拷锟斤拷獭锟斤拷锟斤拷猓伙拷锟斤拷锟斤拷锟斤拷牛锟绞匡拷锟斤拷锟斤拷伞锟斤拷锟斤拷锟斤拷锟矫达拷锟斤拷锟窖э拷械锟斤拷锟揭诧拷锟斤拷锟斤拷止锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知探锟斤拷

锟斤拷锟斤拷锟斤拷一锟斤拷探锟斤拷锟斤拷锟桔ｏ拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉。

锟斤拷锟斤拷1锟斤拷锟轿硷拷锟斤拷示锟斤拷式锟斤拷

锟斤拷锟斤拷锟饺硷拷锟姐，锟劫观察，锟斤拷锟斤拷锟斤拷什么锟斤拷锟缴★拷

锟斤拷锟斤拷3/8锟斤拷8/37/15锟斤拷15/75锟斤拷1/51/12锟斤拷12

锟斤拷锟斤拷小锟斤拷惚拷锟斤拷锟�

锟斤拷锟斤拷2锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟藉：锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解“锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟截ｏ拷锟杰撅拷锟斤拷锟斤拷

锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟侥憋拷锟斤方式锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟筋化锟斤拷锟解。

锟斤拷锟斤拷1锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷系锟截ｏ拷

锟斤拷锟斤拷2锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷什么锟截点？

锟斤拷锟斤拷3锟斤拷锟斤拷一锟诫：1锟侥碉拷锟斤拷锟角讹拷锟劫ｏ拷0锟叫碉拷锟斤拷锟斤拷为什么锟斤拷锟斤拷么锟斤拷锟解？

锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟轿裁达拷锟�

锟斤拷锟斤拷A锟斤拷2/3锟角碉拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷B锟斤拷锟斤拷锟斤拷为1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷C锟斤拷7/15锟斤拷15/7锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷7/15锟斤拷15/7锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷D锟斤拷0锟侥碉拷锟斤拷锟斤拷锟斤拷0锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫革拷锟筋。

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷示锟斤拷1锟斤拷写锟斤拷锟斤拷锟斤拷3/5锟斤拷7/2锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟桔★拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟姐报锟斤拷

锟斤拷锟斤拷锟斤拷3锟斤拷师锟斤拷锟斤拷同小锟结：锟斤拷一锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷只要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷印锟斤拷锟侥革拷锟斤拷锟轿伙拷谩锟�

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0锟斤拷锟解）锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟�6锟侥碉拷锟斤拷锟角硷拷锟斤拷锟斤拷锟斤拷示锟轿硷拷锟斤拷

锟斤拷锟斤拷3锟斤拷1锟侥碉拷锟斤拷锟角硷拷锟斤拷0锟斤拷'锟斤拷锟斤拷锟角硷拷锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟桔★拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟姐报锟斤拷

锟斤拷锟斤拷锟斤拷3锟斤拷师锟斤拷锟斤拷同小锟结：1锟侥碉拷锟斤拷锟斤拷1,0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷4锟斤拷小锟结。

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷0锟斤拷锟解）锟斤拷只要锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷印锟斤拷锟侥革拷锟斤拷锟轿伙拷谩锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷习

锟斤拷锟斤拷1锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷4/1116/97/84/1535

锟斤拷锟斤拷2锟斤拷锟叫断★拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷羌俜锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷2锟斤拷锟劫凤拷锟斤拷锟侥碉拷锟斤拷锟斤拷小锟斤拷1锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷3锟斤拷0锟侥碉拷锟斤拷锟斤拷0锟斤拷1锟侥碉拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟侥★拷锟斤拷锟斤拷小锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学习锟斤拷锟叫关碉拷锟斤拷锟斤拷锟斤拷些锟斤拷知识锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�4

锟斤拷锟斤拷锟斤拷学目锟斤拷

锟斤拷锟斤拷1锟斤拷学锟斤拷通锟斤拷锟桔诧拷锟斤拷式锟斤拷锟截点，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟杰癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷铡锟�

锟斤拷锟斤拷2锟斤拷学习锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷使学锟斤拷锟杰癸拷锟斤拷确锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷学锟斤拷锟侥观诧拷锟斤拷锟斤拷锟酵革拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟截碉拷锟斤拷训锟�

锟斤拷锟斤拷1锟斤拷锟斤拷确锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉及锟斤拷为锟侥猴拷锟藉。

锟斤拷锟斤拷2锟斤拷锟斤拷确锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟絗锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷(一)锟斤拷锟斤拷锟斤拷趣锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷1锟斤拷投影锟斤拷锟侥革拷同学锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷谁说锟矫快？

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷师为什么说锟斤拷锟斤拷么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷之锟斤拷锟斤拷什么锟斤拷系锟斤拷锟斤拷诳锟斤拷锟绞︼拷锟揭拷锟斤拷锟斤拷屑锟侥帮拷锟截革拷锟斤拷锟斤拷锟角ｏ拷锟斤拷锟斤拷锟斤拷锟角碉拷知锟斤拷锟斤拷锟绞λ碉拷没锟斤拷臁ｏ拷锟节匡拷锟斤拷锟斤拷一锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷(锟斤拷锟斤拷锟斤拷锟�)

锟斤拷锟斤拷2锟斤拷同学锟斤拷锟斤拷鄄锟矫匡拷锟斤拷锟绞斤拷锟斤拷惴拷锟斤拷锟绞裁达拷锟酵拷锟斤拷锟斤拷锟剿狄凰碉拷锟街革拷锟剿碉拷锟�

锟斤拷锟斤拷锟斤拷锟介：锟剿伙拷锟斤拷1 锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟姐还锟杰很匡拷说锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为什么说锟斤拷锟斤拷么锟届，锟斤拷什么锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷母锟竭碉拷位锟矫就匡拷锟斤拷锟剿★拷

锟斤拷锟斤拷师锟斤拷说锟矫好ｏ拷锟斤拷锟斤拷锟斤拷前殉嘶锟斤拷锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷(锟窖帮拷锟介补锟斤拷锟斤拷锟斤拷)

锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷什么锟叫伙拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷3锟角碉拷锟斤拷锟斤拷浠帮拷锟斤拷锟轿裁达拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷说锟矫对ｏ拷谁锟斤拷说锟斤拷锟斤拷锟介倒锟斤拷锟斤拷

锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷说锟斤拷每锟斤拷说锟斤拷锟介。(指锟斤拷说)

锟斤拷锟斤拷锟绞ｏ拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷说锟斤拷锟角凤拷锟斤拷确锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥乘伙拷锟角凤拷锟斤拷1锟斤拷锟斤拷锟斤拷嘶锟斤拷锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷嘶锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�5

锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷师锟斤拷锟叫⊙э拷锟斤拷昙讹拷锟窖э拷虏锟斤拷31锟斤拷32页

锟斤拷锟斤拷锟斤拷学目锟疥：

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟街拷锟斤拷锟斤拷锟斤拷母锟斤拷睿拷锟斤拷锟揭伙拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟街讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆硷拷锟叫断★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷学锟斤拷愿锟解交锟斤拷锟斤拷锟斤拷锟斤拷喜锟斤拷锟斤拷学锟斤拷锟斤拷伲锟斤拷锟斤拷锟斤拷锟窖э拷锟皆达拷锟斤拷锟斤拷睢�

锟斤拷锟斤拷锟斤拷学锟截碉拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟窖碉拷锟斤拷锟斤拷小锟斤拷浣伙拷锟斤拷锟斤拷锟斤拷幕锟斤拷锟斤拷希锟斤拷贸锟斤拷锟斤拷锟斤拷母锟斤拷睿拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷学准锟斤拷锟斤拷锟斤拷媒锟斤拷渭锟�

锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷一锟斤拷锟矫猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷1锟斤拷师指锟斤拷锟斤拷锟揭癸拷锟斤拷锟街结构锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰★拷锟斤拷锟揭★拷锟斤拷锟结构锟斤拷锟斤拷锟斤拷选锟斤拷印锟斤拷锟斤拷锟斤拷锟揭伙拷叩锟斤拷锟斤拷锟绞裁达拷郑锟斤拷锟斤拷锟斤拷锟斤拷选锟斤拷狻憋拷锟揭伙拷叩锟斤拷兀锟斤拷锟斤拷蹋锟斤拷锟斤拷锟揭伙拷锟斤拷锟揭诧拷锟斤拷缘锟斤拷锟斤拷锟斤拷锟轿拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷纭�3/4锟斤拷锟斤拷锟斤拷锟斤拷锟截ｏ拷锟斤拷4/3锟斤拷锟斤拷1/7锟斤拷锟斤拷锟斤拷锟斤拷锟截ｏ拷锟斤拷7/1也锟斤拷锟斤拷7锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷婕达拷锟斤拷锟斤拷锟解。

锟斤拷锟斤拷2锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟皆碉拷.锟斤拷锟解：锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷猓拷锟斤拷锟斤拷氲斤拷锟绞裁达拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知探锟斤拷锟斤拷

锟斤拷锟斤拷1.锟叫撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟剿伙拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角讹拷锟斤拷锟斤拷锟斤拷锟斤拷说锟侥ｏ拷锟斤拷锟斤拷锟角伙拷锟斤拷锟斤拷锟斤拷摹锟斤拷锟斤拷锟剿碉拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷芄锟斤拷锟斤拷锟剿的骋伙拷锟斤拷锟斤拷堑锟斤拷锟斤拷锟�

锟斤拷锟斤拷2.学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷师锟斤拷锟斤拷锟芥，锟斤拷锟揭革拷锟皆撅拷锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷学锟斤拷锟饺讹拷锟斤拷思锟斤拷锟斤拷锟劫斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷a.锟皆★拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷纾�5/8锟侥碉拷锟斤拷锟斤拷8/5锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷羌俜锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷b.锟皆★拷锟劫凤拷锟斤拷锟斤拷为锟斤拷锟斤拷8/5锟侥碉拷锟斤拷锟斤拷5/8锟斤拷锟斤拷锟劫凤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷c.锟皆★拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷d.锟皆★拷小锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷锟斤拷痛锟叫★拷锟斤拷锟斤拷锟叫★拷锟斤拷嗟憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟洁当锟节假凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷e.锟皆★拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟洁当锟节凤拷母锟斤拷1锟侥假凤拷锟斤拷锟斤拷

锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟侥癸拷锟斤拷同时锟斤拷锟斤拷锟窖帮拷业锟斤拷锟斤拷姆锟斤拷锟揭诧拷锟斤拷锟斤拷锟斤拷小锟�

锟斤拷锟斤拷3.锟斤拷锟桔★拷0锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷1锟斤拷0没锟叫碉拷锟斤拷锟斤拷要锟斤拷学锟斤拷说锟斤拷锟斤拷墓锟斤拷蹋锟斤拷锟轿�1锟斤拷1锟斤拷说锟�1锟斤拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷1锟斤拷0锟斤拷锟轿猴拷锟斤拷锟斤拷硕锟斤拷锟�0锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷4.锟杰结方锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0锟斤拷锟解）锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟皆很匡拷锟斤拷锟揭伙拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟教ｏ拷

锟斤拷锟斤拷锟斤拷媒锟斤拷锟绞撅拷锟�

锟斤拷锟斤拷1.写锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷3/4锟斤拷9/5锟斤拷6锟斤拷1锟斤拷0锟斤拷5锟斤拷1.5锟斤拷锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷喜锟斤拷锟斤拷锟侥革拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟筋不喜锟斤拷锟斤拷锟侥革拷锟斤拷锟侥碉拷锟斤拷锟斤拷为什么锟斤拷

锟斤拷锟斤拷2.锟叫断ｏ拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥乘伙拷一锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷2锟斤拷锟斤拷锟侥碉拷锟斤拷锟侥猴拷锟角ｏ拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷3锟斤拷锟劫凤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷4锟斤拷小锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷5锟斤拷锟斤拷8锟斤拷7=1锟斤拷3锟斤拷3=1锟叫ｏ拷8锟斤拷7锟斤拷3锟斤拷3锟角伙拷为锟斤拷锟斤拷锟侥★拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷6锟斤拷a锟侥碉拷锟斤拷锟角ｏ拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟叫断ｏ拷锟斤拷锟叫憋拷锟斤拷锟斤拷训锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷3.锟斤拷戏锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷一锟斤拷学锟斤拷说锟斤拷一锟斤拷锟斤拷锟斤拷谁锟斤拷锟街讹拷锟街匡拷锟斤拷锟揭伙拷浠八碉拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷谁锟酵猴拷锟斤拷锟斤拷同学锟斤拷为锟斤拷锟窖★拷

锟斤拷锟斤拷锟侥★拷全锟斤拷锟杰结，锟斤拷锟斤拷锟斤拷锟桔★拷

锟斤拷锟斤拷锟斤拷锟绞ｏ拷通锟斤拷锟斤拷诳危锟斤拷锟窖э拷锟斤拷锟叫┲讹拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�6

锟斤拷锟斤拷锟教材凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟教诧拷锟斤拷锟斤拷锟斤拷学锟斤拷锟桔诧拷嘶锟斤拷锟�1锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟藉；锟斤拷锟捷碉拷锟斤拷锟斤拷锟斤拷锟藉，锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷应锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷锟轿囱帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿ｏ拷锟教材斤拷锟斤拷锟斤拷锟矫诧拷锟斤拷全锟斤拷锟缴凤拷锟斤拷学锟斤拷寻锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学目锟疥：

锟斤拷锟斤拷锟斤拷1锟斤拷知识目锟疥：使学锟斤拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷确锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷目锟疥：锟斤拷锟斤拷锟斤拷学锟斤拷小锟斤拷锟斤拷锟桔的凤拷锟斤拷锟斤拷锟叫斤拷学锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷鄄臁拷冉稀锟斤拷锟斤拷蟆⒐锟斤拷锟斤拷约锟斤拷锟斤拷锟窖帮拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷3锟斤拷锟斤拷锟侥匡拷辏猴拷锟斤拷学锟斤拷学习锟斤拷学锟斤拷锟斤拷趣锟斤拷锟斤拷展学锟斤拷锟斤拷锟缴碉拷习锟竭★拷

锟斤拷锟斤拷锟斤拷学锟截碉拷锟斤拷知锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷突锟斤拷锟揭伙拷锟斤拷锟斤拷牡锟斤拷锟�

锟斤拷锟斤拷锟斤拷学锟窖碉拷锟斤拷1锟斤拷0锟侥碉拷锟斤拷锟斤拷锟襟法★拷

锟斤拷锟斤拷锟教撅拷准锟斤拷锟斤拷锟轿硷拷

锟斤拷锟斤拷锟斤拷学锟斤拷锟教ｏ拷

锟斤拷锟斤拷一锟斤拷锟斤拷前谈锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷师锟杰革拷锟剿和达拷锟斤拷峡危锟斤拷锟斤拷锟斤拷峡锟角帮拷锟绞︼拷锟酵达拷一锟斤拷锟斤拷为锟斤拷锟斤拷锟窖★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟矫ｏ拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角的癸拷系锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷双锟斤拷锟芥互为锟斤拷锟窖ｏ拷也锟斤拷锟斤拷说锟缴★拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷选锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞︼拷锟斤拷锟斤拷选锟斤拷锟� 锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟较接达拷锟斤拷锟侥★拷锟斤拷为锟斤拷锟斤拷锟斤拷锟酵比斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷前锟斤拷锟斤拷锟斤拷学习锟剿凤拷锟斤拷锟剿凤拷锟斤拷锟斤拷同学锟角硷拷锟姐几锟斤拷锟解。师锟斤拷锟桔诧拷锟斤拷锟斤拷锟斤拷什么锟斤拷同锟斤拷锟截点？锟斤拷锟斤拷锟剿伙拷锟斤拷锟斤拷1锟斤拷??

锟斤拷锟斤拷师锟斤拷锟皆ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷要锟叫撅拷锟侥撅拷锟角乘伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷锟斤拷写锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟诫）锟杰ｏ拷

锟斤拷锟斤拷师锟斤拷锟角好ｏ拷锟斤拷锟角就斤拷锟斤拷一锟斤拷小小锟侥憋拷锟斤拷锟斤拷锟斤拷锟斤拷准锟斤拷锟矫匡拷锟斤拷锟斤拷习锟斤拷锟斤拷锟揭革拷锟斤拷锟揭伙拷锟斤拷锟绞憋拷洌拷锟斤拷锟叫达拷锟斤拷嘶锟斤拷锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谁写锟矫多，锟斤拷锟斤拷锟斤拷写锟斤拷锟斤拷同锟斤拷锟斤拷锟酵★拷

锟斤拷锟斤拷准锟斤拷锟斤拷锟斤拷锟金？匡拷始??

锟斤拷锟斤拷师锟斤拷时锟戒到锟斤拷停锟斤拷谁愿锟斤拷锟斤拷锟叫达拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵达拷夜锟酵拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷师锟斤拷选锟斤拷陌锟斤拷锟斤拷诤诎锟斤拷稀锟� 锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷么锟教碉拷时锟斤拷锟节撅拷锟斤拷写锟斤拷锟斤拷么锟斤拷嘶锟斤拷锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷浅锟斤拷锟斤拷时锟戒，锟斤拷锟角伙拷锟斤拷写锟斤拷锟劫革拷锟斤拷锟斤拷锟侥乘凤拷锟斤拷式锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷示锟斤拷7

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫︼拷锟斤拷页锟斤拷嘶锟斤拷锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷卮锟�

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟揭碉拷锟斤拷些锟斤拷之前写锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟侥癸拷同锟姐？

锟斤拷锟斤拷锟斤拷锟斤拷锟剿伙拷锟斤拷锟斤拷1锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷知锟斤拷锟金？斤拷示锟斤拷锟藉】锟斤拷师锟斤拷锟介：锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷师锟斤拷锟节帮拷锟斤拷锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷锟侥伙拷锟斤拷锟斤拷1 锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷3/8锟斤拷8/3锟侥乘伙拷锟斤拷1 锟斤拷锟斤拷锟角撅拷说3/8锟斤拷8/3锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷师锟斤拷锟斤拷3/8锟斤拷8/3锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷说锟斤拷

锟斤拷锟斤拷师锟斤拷3/8锟斤拷8/3锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷锟斤拷锟斤拷锟斤拷么说锟截★拷

锟斤拷锟斤拷锟斤拷锟斤拷3/8锟侥碉拷锟斤拷锟斤拷8/3锟斤拷8/3锟侥碉拷锟斤拷锟斤拷3/8锟斤拷

锟斤拷锟斤拷师锟斤拷为什么锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷直锟斤拷说锟角碉拷锟斤拷锟斤拷锟斤拷要说锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟截ｏ拷锟斤拷锟斤拷为锟斤拷锟斤拷什么锟斤拷思锟截ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街ｏ拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷`锟斤拷系锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷为锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥癸拷系锟斤拷锟洁互锟斤拷锟斤拷摹锟�

锟斤拷锟斤拷师锟斤拷同学锟斤拷说锟矫很好★拷锟斤拷锟斤拷锟角憋拷示锟斤拷锟斤拷锟斤拷之锟斤拷墓锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷嗷ワ拷锟斤拷锟侥ｏ拷锟斤拷锟皆憋拷锟斤拷说锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰癸拷锟斤拷锟斤拷说某一锟斤拷锟斤拷锟角碉拷锟斤拷锟斤拷锟斤拷前锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟洁互锟斤拷锟斤拷锟较碉拷锟街讹拷锟�

锟斤拷锟斤拷师锟斤拷2/5锟斤拷5/2锟侥伙拷锟斤拷1锟斤拷锟斤拷锟角撅拷说??锟斤拷锟斤拷锟斤拷说锟斤拷

锟斤拷锟斤拷师锟斤拷7/10锟斤拷10/7锟侥乘伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥癸拷系锟斤拷锟斤拷锟斤拷么说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷学锟斤拷锟筋动锟斤拷

锟斤拷锟斤拷锟斤拷小锟结：锟秸诧拷锟斤拷锟角撅拷锟斤拷识锟剿碉拷锟斤拷锟斤拷锟斤拷锟藉，知锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟揭碉拷锟斤拷锟斤拷锟杰碉拷锟斤拷锟斤拷锟节ｏ拷锟斤拷锟洁互锟斤拷锟斤拷摹锟斤拷锟�

锟斤拷锟斤拷探锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟角筹拷锟矫ｏ拷锟斤拷锟斤拷知锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷锟藉，锟斤拷么锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷什么锟截碉拷锟截ｏ拷锟斤拷锟斤拷一锟斤拷锟斤拷锟桔诧拷一锟铰刚才碉拷锟斤拷些锟斤拷锟接★拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接和凤拷母锟斤拷锟斤拷锟斤拷位锟矫★拷

锟斤拷锟斤拷师锟斤拷同锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷同锟解。

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷一锟截碉拷锟斤拷锟斤拷写锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷一锟皆ｏ拷

锟斤拷锟斤拷师锟节黑帮拷锟较筹拷示3/5 7/2 锟斤拷写锟斤拷锟斤拷锟角的碉拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷5锟斤拷0.1)锟侥碉拷锟斤拷锟斤拷什么锟斤拷锟斤拷锟斤拷锟斤拷没锟叫凤拷锟接和凤拷母呀锟斤拷锟斤拷锟斤拷1 锟斤拷1/8锟截ｏ拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷5锟斤拷锟斤拷锟角凤拷母锟斤拷1锟侥凤拷锟斤拷锟斤拷锟劫把凤拷锟接凤拷母锟斤拷锟斤拷位锟矫★拷

锟斤拷锟斤拷锟斤拷小锟斤拷锟侥碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟劫凤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷1 锟侥碉拷锟斤拷锟角硷拷锟截ｏ拷锟斤拷学锟斤拷锟杰匡拷锟剿碉拷锟斤拷锟斤拷耍锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷桑锟�

锟斤拷锟斤拷0锟侥碉拷锟斤拷锟截ｏ拷

锟斤拷锟斤拷师锟斤拷为什么锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷为0锟斤拷锟轿猴拷锟斤拷锟斤拷硕锟斤拷锟�0锟斤拷锟斤拷锟斤拷锟杰碉拷1锟斤拷

锟斤拷锟斤拷师锟斤拷锟秸诧拷一锟斤拷同学锟斤拷锟斤拷锟斤拷锟斤拷锟�0锟侥凤拷锟斤拷锟斤拷实锟斤拷锟较就碉拷锟斤拷0锟斤拷0锟斤拷锟皆匡拷锟斤拷锟斤拷0/2锟斤拷0/3锟斤拷??锟斤拷锟斤拷朔锟斤拷锟斤拷姆锟斤拷臃锟侥革拷锟斤拷锟轿伙拷煤蟆！锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷耄猴拷锟侥革拷锟轿�0锟剿ｏ拷锟斤拷锟斤拷母锟斤拷锟斤拷锟斤拷为0锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷么锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷谁锟斤拷锟杰斤拷一锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷只要锟窖凤拷锟接凤拷母锟斤拷锟斤拷位锟矫★拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷锟斤拷园锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角凤拷母锟斤拷1锟侥凤拷锟斤拷锟斤拷然锟斤拷锟劫碉拷锟斤拷锟斤拷锟接凤拷母锟斤拷位锟矫★拷

锟斤拷锟斤拷锟斤拷3锟斤拷1 锟侥碉拷锟斤拷锟斤拷1锟斤拷0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟� 锟斤拷

锟斤拷锟斤拷锟侥★拷锟斤拷锟斤拷锟斤拷习

锟斤拷锟斤拷1锟斤拷锟斤拷锟介，锟侥讹拷锟轿憋拷P34锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷要锟侥伙拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷1锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷桑锟斤拷锟绞ρ诧拷樱锟斤拷锟酵э拷锟斤拷荨锟阶拷锟窖э拷锟斤拷锟斤拷锟叫达拷锟绞斤拷欠锟斤拷锟饺凤拷锟�

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷一学锟斤拷锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷3锟斤拷锟斤拷展台展示锟斤拷锟斤拷锟侥达拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷写锟斤拷锟斤拷锟金？ｏ拷4/11=11/4锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆ｏ拷

锟斤拷锟斤拷师锟斤拷为什么锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷4/11锟侥碉拷锟斤拷锟斤拷11/4锟斤拷4/11锟斤拷锟斤拷锟斤拷锟斤拷锟�11/4锟斤拷一锟斤拷锟角假凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角诧拷锟斤拷锟斤拷锟斤拷鹊摹锟�

锟斤拷锟斤拷锟斤拷4锟斤拷师锟斤拷锟皆ｏ拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角诧拷锟斤拷锟斤拷鹊模锟�1锟斤拷锟解）锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷写时要写锟斤拷谁锟斤拷谁锟侥碉拷锟斤拷锟斤拷锟斤拷谁锟侥碉拷锟斤拷锟斤拷谁锟斤拷锟斤拷锟斤拷师锟节帮拷锟斤拷写锟斤拷一锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷小锟斤拷戏锟斤拷同锟斤拷锟斤拷锟斤拷锟揭伙拷猓拷苑锟剿碉拷锟斤拷鸢浮锟�

锟斤拷锟斤拷4锟斤拷锟斤拷说说锟斤拷锟斤拷每锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟劫匡拷锟斤拷锟斤拷锟杰凤拷锟斤拷什么锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷3/4锟侥碉拷锟斤拷锟角ｏ拷锟斤拷锟斤拷2锟斤拷9/7锟侥碉拷锟斤拷锟角ｏ拷锟斤拷

锟斤拷锟斤拷2/5锟侥碉拷锟斤拷锟角ｏ拷锟斤拷10/3锟侥碉拷锟斤拷锟角ｏ拷锟斤拷

锟斤拷锟斤拷4/7锟侥碉拷锟斤拷锟角ｏ拷锟斤拷 6/5锟侥碉拷锟斤拷锟角ｏ拷锟斤拷

锟斤拷锟斤拷锟斤拷3锟斤拷1/3锟侥碉拷锟斤拷锟角ｏ拷锟斤拷锟斤拷4锟斤拷3锟侥碉拷锟斤拷锟角ｏ拷锟斤拷

锟斤拷锟斤拷1/10锟侥碉拷锟斤拷锟角ｏ拷锟斤拷9锟侥碉拷锟斤拷锟角ｏ拷锟斤拷

锟斤拷锟斤拷1/13锟侥碉拷锟斤拷锟角ｏ拷锟斤拷14锟侥碉拷锟斤拷锟角ｏ拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟斤拷说锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷然锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷细锟桔察，锟斤拷锟杰达拷锟叫凤拷锟斤拷什么锟斤拷锟斤拷锟街碉拷越锟斤拷越锟矫★拷

锟斤拷锟斤拷师锟斤拷小锟斤拷锟斤拷锟斤拷锟饺伙拷锟斤拷说一说锟斤拷

锟斤拷锟斤拷锟姐报锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟揭从碉拷一锟斤拷锟叫凤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷羌俜锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷2锟斤拷锟揭从第讹拷锟斤拷锟叫凤拷锟街假凤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷呒俜锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟叫★拷锟�1锟斤拷锟劫凤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷1锟斤拷锟劫凤拷锟斤拷锟侥碉拷锟斤拷也锟斤拷锟杰碉拷锟斤拷1锟斤拷锟斤拷4锟斤拷锟揭凤拷锟街凤拷锟斤拷锟斤拷1锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷4锟斤拷锟斤拷眨锟�

锟斤拷锟斤拷7锟斤拷锟斤拷锟斤拷=15/2锟斤拷锟斤拷锟斤拷=锟斤拷锟斤拷锟斤拷3锟斤拷2/3=0.17锟斤拷锟斤拷锟斤拷=1

锟斤拷锟斤拷锟藉、锟斤拷锟斤拷小锟斤拷

锟斤拷锟斤拷1锟斤拷小锟结：锟斤拷锟斤拷锟斤拷锟斤拷学习锟斤拷什么锟斤拷??

锟斤拷锟斤拷2锟斤拷学锟剿碉拷锟斤拷锟斤拷什么锟斤拷锟截ｏ拷

锟斤拷锟斤拷锟斤拷铱魏锟斤拷去思锟斤拷一锟铰★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识

锟斤拷锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷 1锟侥碉拷锟斤拷锟斤拷1锟斤拷0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷0.1锟侥碉拷锟斤拷10 5锟侥碉拷锟斤拷锟斤拷5 1锟斤拷1/8锟侥碉拷锟斤拷锟斤拷8/9 锟斤拷

锟斤拷锟斤拷锟斤拷0.1=1/10锟斤拷锟斤拷5=5/1锟斤拷锟斤拷1锟斤拷1/8=9/8锟斤拷

锟斤拷锟斤拷锟斤拷小锟斤拷锟侥碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟劫凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�7

锟斤拷锟斤拷锟教材凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟解部锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟剿凤拷锟斤拷锟剿凤拷锟侥伙拷锟斤拷锟较斤拷学锟侥ｏ拷锟斤拷要为锟斤拷锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷准锟斤拷锟斤拷锟斤拷为一锟斤拷锟斤拷锟斤拷锟皆凤拷锟斤拷锟侥硷拷锟姐方锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟解部锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟解，锟斤拷要锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷睿�

锟斤拷锟斤拷锟斤拷锟斤拷强锟斤拷锟斤拷学锟斤拷锟斤拷学习锟斤拷趣锟斤拷锟斤拷锟筋经锟斤拷锟斤拷锟街斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷椤⑹碉拷锟斤拷锟斤拷锟斤拷搿拷锟斤拷锟斤拷秃锟斤拷锟斤拷锟绞斤拷锟斤拷锟窖э拷锟斤拷诤锟斤拷锟窖帮拷墓锟斤拷锟斤拷校锟窖э拷峤伙拷锟斤拷锟斤拷嗷ワ拷锟斤拷郏锟斤拷锟斤拷锟街讹拷慕锟斤拷锟斤拷锟斤拷蹋锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷锟窖в︼拷锟斤拷锟绞讹拷图锟斤拷锟窖帮拷锟斤拷椋拷锟斤拷锟窖э拷锟斤拷鄄臁拷锟斤拷伞锟斤拷锟斤拷锟斤拷透锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷学目锟疥：

锟斤拷锟斤拷锟斤拷知目锟疥：使学锟斤拷通锟斤拷探锟斤拷锟筋动锟斤拷锟斤拷识锟斤拷锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷锟揭碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷目锟疥：锟斤拷锟斤拷学锟斤拷锟桔察、锟斤拷锟缴★拷锟斤拷锟诫、锟斤拷锟斤拷锟酵革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟侥匡拷辏猴拷峁╋拷实锟斤拷锟斤拷锟斤拷锟斤拷榫筹拷锟斤拷锟斤拷锟窖э拷锟斤拷锟窖帮拷锟饺わ拷锟窖帮拷锟斤拷椤ｏ拷锟窖э拷锟斤拷锟斤拷锟教斤拷锟斤拷谐晒锟斤拷目锟斤拷郑锟斤拷锟斤拷锟窖э拷锟斤拷拇锟斤拷锟斤拷锟绞讹拷涂锟窖э拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷学锟截点：

锟斤拷锟斤拷使学锟斤拷通锟斤拷探锟斤拷锟筋动锟斤拷锟斤拷识锟斤拷锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷锟揭碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟窖点：

锟斤拷锟斤拷锟斤拷学锟斤拷锟教ｏ拷

锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷疃拷榫帮拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟角刚革拷学习锟剿凤拷锟斤拷锟侥乘凤拷锟斤拷锟斤拷师锟诫考锟斤拷锟斤拷锟斤拷锟斤拷盏锟斤拷锟矫达拷锟斤拷锟斤拷懿锟斤拷芫锟斤拷锟阶★拷锟绞︼拷目锟斤拷椋�

锟斤拷锟斤拷锟斤拷(锟斤拷)锟斤拷锟杰ｏ拷

锟斤拷锟斤拷师锟斤拷锟矫ｏ拷锟斤拷锟斤拷示投影锟斤拷锟斤拷锟斤拷锟斤拷锟侥硷拷锟斤拷锟斤拷目锟斤拷一锟姐，同位锟洁互锟斤拷锟斤拷一锟铰答案★拷

锟斤拷锟斤拷锟斤拷目锟斤拷3/8x8/3 7/15x15/7 5x1/5 1/12x12

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫硷拷锟姐。锟斤拷锟斤拷珊锟叫★拷锟斤拷锟叫斤拷锟斤拷锟斤拷学锟斤拷锟姐报锟戒发锟街的斤拷锟桔ｏ拷

锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟姐，学锟斤拷锟斤拷锟杰凤拷锟斤拷每锟斤拷锟斤拷式锟侥乘伙拷锟斤拷锟斤拷1锟斤拷通锟斤拷锟桔察发锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷雍头锟侥肝伙拷锟斤拷堑叩锟斤拷模锟�

锟斤拷锟斤拷师锟斤拷同学锟角凤拷锟斤拷锟斤拷每锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟侥革拷锟斤拷玫叩锟斤拷锟轿伙拷茫锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟藉：锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷同学锟斤拷锟杰诧拷锟斤拷说说锟斤拷缘锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解？

锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷什么锟斤拷思锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷'锟角碉拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷之锟斤拷墓锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺币伙拷锟斤拷桑锟斤拷锟斤拷锟斤拷锟斤拷妫拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷芙械锟斤拷锟斤拷锟�

锟斤拷锟斤拷师锟斤拷锟截达拷暮芎茫锟斤拷锟斤拷锟酵э拷锟斤拷锟斤拷卸锟揭伙拷锟斤拷锟剿碉拷幕锟斤拷锟矫伙拷写锟斤拷锟斤拷锟轿�3/4x4/3=1锟斤拷锟斤拷锟斤拷3/4锟角碉拷锟斤拷锟斤拷4/3也锟角碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺恐猴拷兀锟斤拷锟斤拷裕锟�

锟斤拷锟斤拷师锟斤拷锟斤拷锟揭革拷锟斤拷么说锟截ｏ拷

锟斤拷锟斤拷锟斤拷锟斤拷3/4锟斤拷4/3锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷3/4锟斤拷4/3锟侥碉拷锟斤拷锟斤拷4/3锟斤拷3/4锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟矫ｏ拷锟斤拷锟剿碉拷亩锟斤拷锟斤拷锟斤拷锟斤拷锟矫达拷腋锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷页锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟杰ｏ拷

锟斤拷锟斤拷师锟斤拷锟矫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷遥锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫革拷锟筋，探锟街凤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷投影锟斤拷锟斤拷示锟斤拷2锟斤拷

锟斤拷锟斤拷3/5 6 7/2 5/3 1/6 1 2/7 0

锟斤拷锟斤拷锟斤拷一锟揭ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷小锟斤拷探锟街斤拷锟斤拷锟斤拷锟斤拷说说锟斤拷锟斤拷锟斤拷锟揭的ｏ拷锟姐报锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥乘伙拷锟角诧拷锟斤拷1;

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟侥革拷欠锟街憋拷叩锟斤拷锟轿伙拷谩锟�

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷同锟解！

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟轿拷锟揭伙拷址锟斤拷锟斤拷锟斤拷锟斤拷兀锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟节讹拷锟街★拷

锟斤拷锟斤拷师锟斤拷锟矫ｏ拷锟斤拷锟斤拷锟角撅拷锟矫第讹拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷凤拷锟斤拷锟斤拷强锟斤拷学锟斤拷锟斤拷锟斤拷锟解。锟斤拷

锟斤拷锟斤拷锟侥★拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷同学锟斤拷锟劫观诧拷一锟铰刚诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷目锟斤拷锟斤拷锟斤拷没锟斤拷没锟揭碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷ｏ拷

锟斤拷锟斤拷锟斤拷锟斤拷锟叫ｏ拷1锟斤拷0锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟绞ｏ拷锟斤拷1锟斤拷0锟斤拷没锟叫碉拷锟斤拷锟截ｏ拷锟斤拷锟斤拷校锟斤拷嵌锟斤拷伲锟�

锟斤拷锟斤拷小锟斤拷锟斤拷锟桔★拷锟姐报锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷为1x1=1锟斤拷锟斤拷锟捷★拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷1锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷0锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷为0锟斤拷锟轿猴拷锟斤拷锟斤拷硕锟斤拷锟斤拷锟斤拷锟�1锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟藉、锟斤拷锟斤拷锟斤拷习

锟斤拷锟斤拷锟斤拷锟矫讹拷媒锟斤拷投影锟斤拷示锟斤拷锟叫革拷锟解，学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷全锟洁交锟斤拷锟斤拷

锟斤拷锟斤拷1锟斤拷写锟斤拷锟斤拷锟叫革拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷4/11 16/9 35 7/8 4/15

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷说锟斤拷锟皆诧拷锟皆ｏ拷为什么锟斤拷

锟斤拷锟斤拷(1)7/12锟斤拷12/7锟侥乘伙拷为1锟斤拷锟斤拷锟斤拷7/12锟斤拷12/7锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷(2)1/2x4/3x3/2=1锟斤拷锟斤拷锟斤拷1/2锟斤拷4/3锟斤拷3/2锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷(3)0锟侥碉拷锟斤拷锟斤拷锟斤拷0锟斤拷

锟斤拷锟斤拷锟斤拷4锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟叫�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟结，锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟节匡拷锟斤拷学锟斤拷锟斤拷什么锟斤拷锟斤拷锟斤拷什么锟斤拷幔�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷什么锟叫碉拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟竭★拷锟斤拷锟斤拷锟斤拷业锟斤拷锟斤拷习7锟斤拷7锟解。

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�8

锟斤拷锟斤拷一锟斤拷锟斤拷学锟斤拷锟捷ｏ拷

锟斤拷锟斤拷锟轿憋拷28页锟斤拷1锟斤拷锟斤拷应锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷习锟斤拷锟斤拷锟斤拷目锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学目锟斤拷

锟斤拷锟斤拷1锟斤拷知识目锟疥：使学锟斤拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷确锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷目锟疥：锟斤拷锟斤拷锟斤拷学锟斤拷小锟斤拷锟斤拷锟桔的凤拷锟斤拷锟斤拷锟叫斤拷学锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷鄄臁拷冉稀锟斤拷锟斤拷蟆⒐锟斤拷锟斤拷约锟斤拷锟斤拷锟窖帮拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷3锟斤拷锟斤拷锟侥匡拷辏猴拷锟斤拷学锟斤拷学习锟斤拷学锟斤拷锟斤拷趣锟斤拷锟斤拷展学锟斤拷锟斤拷锟缴碉拷习锟竭★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟窖碉拷

锟斤拷锟斤拷锟截点：锟斤拷识锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟窖点：小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟侥★拷锟斤拷学锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟介景锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷锟角帮拷锟酵э拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵凤拷苑锟接︼拷欤拷锟斤拷锟斤拷锟绞︼拷锟斤拷锟斤拷锟角憋拷一锟斤拷锟斤拷锟角革拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷说一锟斤拷锟街伙拷锟斤拷锟斤拷谴锟斤拷锟斤拷锟侥凤拷锟斤拷剩锟斤拷锟剿拷锟斤拷锟街匡拷锟斤拷准锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟较★拷锟节★拷锟斤拷强锟斤拷锟剿高诧拷锟揭★拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷同学锟角达拷锟斤拷锟阶硷拷挚炜达拷锟斤拷锟斤拷锟斤拷锟斤拷榇拷锟酵э拷歉詹呕卮锟斤拷锟斤拷些锟街伙拷锟斤拷锟斤拷嵌锟斤拷锟斤拷嗷ワ拷锟斤拷锟斤拷锟角诧拷锟角ｏ拷锟斤拷锟斤拷没锟斤拷锟斤拷也锟斤拷没锟斤拷锟铰ｏ拷没锟叫黑撅拷没锟叫白ｏ拷实锟斤拷锟斤拷锟斤拷锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷昙讹拷锟窖э拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷荩锟斤拷蔷锟斤拷锟皆硷拷锟斤拷捅锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖耙伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷莺貌锟斤拷茫锟斤拷D锟紻锟斤拷示锟斤拷锟解《锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷狻�

锟斤拷锟斤拷1锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷示一锟斤拷锟斤拷式锟斤拷锟斤拷展小锟斤拷疃拷锟斤拷锟揭伙拷悖拷锟揭伙拷遥锟斤拷锟斤拷锟斤拷锟绞斤拷锟绞裁达拷氐悖�

锟斤拷锟斤拷小锟斤拷惚拷锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷悖拷锟斤拷锟矫匡拷锟斤拷锟绞斤拷某嘶锟斤拷锟斤拷锟�1锟斤拷通锟斤拷锟桔察发锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷雍头锟侥肝伙拷锟斤拷堑叩锟斤拷摹锟斤拷锟斤拷锟�

锟斤拷锟斤拷师锟斤拷同学锟角凤拷锟斤拷锟斤拷每锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟侥革拷锟斤拷玫叩锟斤拷锟轿伙拷茫锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟藉：锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟斤拷说说锟皆碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷狻�

锟斤拷锟斤拷锟斤拷锟绞ｏ拷锟斤拷锟斤拷为锟斤拷锟斤拷什么锟斤拷思锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷之锟斤拷墓锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷嗷ワ拷锟斤拷妫伙拷锟斤拷锟斤拷锟斤拷芙械锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷木锟斤拷哟锟斤拷锟斤拷锟斤拷铮坑︼拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷为3/4锟斤拷4/3=1锟斤拷锟斤拷锟斤拷3/4锟角碉拷锟斤拷锟斤拷4/3也锟角碉拷锟斤拷锟斤拷

锟斤拷锟斤拷学习锟斤拷2

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟姐报锟揭的斤拷锟斤拷锟斤拷锟剿邓碉拷锟斤拷锟斤拷业模锟�

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥乘伙拷锟角诧拷锟斤拷1锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟侥革拷欠锟街憋拷叩锟斤拷锟轿伙拷谩锟�

锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷实锟斤拷锟杰斤拷锟斤拷锟斤拷业锟斤拷锟斤拷姆锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷1锟斤拷锟揭凤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥革拷锟轿伙拷谩锟�

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟饺帮拷锟斤拷锟斤拷锟斤拷锟缴凤拷母锟斤拷1锟侥凤拷锟斤拷锟斤拷锟劫斤拷锟斤拷锟斤拷锟接和凤拷母锟斤拷位锟矫★拷

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷2锟叫碉拷锟斤拷些锟斤拷锟斤拷没锟斤拷锟揭碉拷锟斤拷锟斤拷锟斤拷锟斤拷1锟斤拷0锟斤拷

锟斤拷锟斤拷锟斤拷锟绞ｏ拷1锟斤拷0锟斤拷没锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷校锟斤拷嵌锟斤拷伲锟�

锟斤拷锟斤拷小锟斤拷锟斤拷锟桔★拷锟姐报锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷为1锟斤拷1=1锟斤拷锟斤拷锟捷★拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1锟斤拷`锟斤拷锟斤拷锟斤拷1锟斤拷

锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟狡碉拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷1锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷0锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷为0锟斤拷锟轿猴拷锟斤拷锟斤拷硕锟斤拷锟斤拷锟斤拷锟�1锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟狡碉拷锟斤拷锟斤拷母锟斤拷锟斤拷为0锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷(锟斤拷)锟斤拷锟斤拷锟斤拷应锟矫ｏ拷锟节伙拷锟斤拷锟�

锟斤拷锟斤拷1锟斤拷锟斤拷伞锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷榷锟斤拷锟斤拷锟斤拷锟斤拷锟饺拷嘟伙拷锟斤拷锟�

锟斤拷锟斤拷2锟斤拷锟斤拷习锟斤拷锟斤拷3锟解。

锟斤拷锟斤拷锟矫讹拷媒锟斤拷锟酵队帮拷锟斤拷锟斤拷示锟斤拷学锟斤拷锟叫断ｏ拷锟斤拷说锟斤拷锟斤拷锟缴★拷

锟斤拷锟斤拷3锟斤拷同锟斤拷锟斤拷锟叫伙拷说锟斤拷锟斤拷锟筋动锟斤拷锟斤拷习锟斤拷锟斤拷2锟解）锟斤拷

锟斤拷锟斤拷(锟斤拷)锟斤拷锟截癸拷锟斤拷锟斤拷锟斤拷锟斤拷思锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学习锟剿碉拷锟斤拷锟斤拷锟叫癸拷知识锟斤拷锟斤拷同学锟角伙拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学习锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞―锟紻锟斤拷学锟斤拷锟桔―锟紻锟姐报锟紻锟紻锟斤拷习

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟矫★拷锟斤拷学锟斤拷锟剿★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷锟街讹拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟剿★拷锟斤拷

锟斤拷锟斤拷锟斤拷锟藉）锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟教猴拷思

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿凤拷锟斤拷知识锟侥伙拷锟斤拷锟较斤拷锟叫斤拷学锟侥★拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟斤拷突锟斤拷锟揭伙拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟窖э拷锟窖帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟角帮拷帷Ｑэ拷锟斤拷锟斤拷锟窖э拷锟斤拷獠匡拷锟街讹拷锟斤拷锟斤拷芨锟斤拷玫锟斤拷锟斤拷蘸锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷锟侥硷拷锟斤拷锟接︼拷锟斤拷狻ｏ拷锟斤拷锟斤拷氩匡拷郑锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷训锟斤拷嗷ワ拷锟较碉拷锟斤拷泄锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使学锟斤拷锟皆碉拷锟斤拷锟斤拷锟斤拷直锟桔碉拷锟斤拷识锟斤拷为锟斤拷使学锟斤拷锟斤拷锟斤拷锟剿解倒锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟剿达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接ｏ拷锟斤拷通锟斤拷锟桔察、锟斤拷锟斤拷确锟斤拷锟绞寡э拷锟斤拷锟饺凤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷某嘶锟斤拷锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷只锟角把凤拷锟接和凤拷母锟斤拷位锟矫斤拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭革拷锟剿碉拷锟斤拷学锟斤拷锟斤拷注锟解到锟斤拷锟斤拷锟斤拷锟斤拷锟洁互锟斤拷锟斤拷摹锟斤拷锟阶プ⊙э拷锟斤拷姆锟斤拷郑锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷呛芸锟斤拷锟杰斤拷锟斤拷说锟斤拷锟斤拷母锟斤拷锟紻锟紻锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷通锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷姆锟斤拷锟斤拷幕锟斤拷锟斤拷希锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷锟窖帮拷锟街伙拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷知识锟侥碉拷一锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷荨锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷时锟斤拷学锟斤拷锟角筹拷锟斤拷锟斤拷小小锟侥★拷锟斤拷执锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷0锟斤拷1锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷0锟斤拷1没锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟侥★拷锟斤拷执锟斤拷锟斤拷没锟斤拷直锟接斤拷锟诫，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷锟斤拷说说锟皆硷拷锟斤拷锟斤拷锟缴ｏ拷锟斤拷锟斤拷锟角的斤拷锟斤拷锟叫ｏ拷学锟斤拷锟角达拷锟斤拷锟揭伙拷碌锟斤拷锟绞讹拷锟�0没锟叫碉拷锟斤拷锟斤拷1锟侥碉拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷时锟斤拷学锟斤拷锟斤拷锟斤拷为锟斤拷0锟斤拷锟斤拷锟斤拷锟斤拷母锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷桑锟斤拷锟秸癸拷锟斤拷锟斤拷锟斤拷峁╋拷锟窖э拷锟斤拷锟街讹拷锟斤拷荨锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�9

锟斤拷锟斤拷锟教材凤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟角憋拷师锟斤拷锟斤拷锟斤拷昙讹拷锟窖э拷虏锟斤拷锟斤拷锟捷ｏ拷锟解部锟斤拷锟斤拷锟斤拷实锟节凤拷锟斤拷锟剿凤拷锟斤拷锟斤拷幕锟斤拷锟斤拷辖锟斤拷薪锟窖э拷模锟酵拷锟斤拷鄄锟剿伙拷锟斤拷1锟侥硷拷锟斤拷锟斤拷锟斤拷锟截点，锟斤拷锟斤拷学锟斤拷锟斤拷识锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷准锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷锟斤拷锟斤拷墓丶锟斤拷锟斤拷锟斤拷锟酵拷朔锟斤拷锟斤拷朔锟斤拷统锟斤拷锟斤拷募锟斤拷悖拷锟斤拷懦锟角帮拷锟斤拷锟斤拷锟斤拷锟矫★拷

锟斤拷锟斤拷学锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟捷讹拷学锟斤拷锟斤拷说锟角筹拷陌锟斤拷锟斤拷锟斤拷前锟斤拷没锟叫接达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷荩锟斤拷锟斤拷锟斤拷锟斤拷昙讹拷锟窖э拷锟斤拷锟剿碉拷浅锟斤拷虻ィ锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷学习锟斤拷锟斤拷锟斤拷锟窖撅拷锟竭憋拷锟剿凤拷锟斤拷锟斤拷锟斤拷徒锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷摹锟�

锟斤拷锟斤拷锟斤拷学目锟疥：

锟斤拷锟斤拷1锟斤拷使学锟斤拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷确锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷2锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷鄄臁拷冉稀锟斤拷锟斤拷锟斤拷约锟斤拷锟斤拷锟窖帮拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷3锟斤拷锟斤拷锟窖э拷锟窖帮拷锟窖э拷锟斤拷锟饺わ拷锟斤拷锟秸寡э拷锟斤拷锟斤拷傻锟较帮拷摺锟�

锟斤拷锟斤拷锟斤拷学锟截碉拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟襟法★拷

锟斤拷锟斤拷锟斤拷学锟窖碉拷锟斤拷

锟斤拷锟斤拷锟斤拷锟解“锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥猴拷锟藉。

锟斤拷锟斤拷锟斤拷学锟斤拷锟教ｏ拷

锟斤拷锟斤拷一锟斤拷谈锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷同学锟角ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖碉拷时锟津，伙拷锟斤拷锟斤拷拥锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫癸拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷兀锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷谁愿锟斤拷锟斤拷前锟斤拷锟斤拷锟绞︼拷锟斤拷锟斤拷郑锟斤拷锟斤拷突锟斤拷为锟斤拷师锟斤拷玫锟斤拷锟斤拷选锟�

锟斤拷锟斤拷锟斤拷师锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷锟街碉拷`锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟角硷拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟截ｏ拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷啻︼拷锟斤拷锟斤拷腔锟斤拷锟斤拷锟斤拷锟斤拷锟窖★拷谁锟杰革拷锟竭达拷遥锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷狻帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖★拷锟斤拷浠帮拷模锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷选锟斤拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷锟绞︼拷锟斤拷锟斤拷眩锟斤拷锟绞σ诧拷锟斤拷锟斤拷堑锟斤拷锟斤拷选锟�

锟斤拷锟斤拷师锟斤拷同学锟角ｏ拷前锟斤拷锟斤拷锟斤拷学习锟剿凤拷锟斤拷锟侥乘凤拷锟斤拷锟斤拷锟斤拷锟斤拷师锟斤拷锟斤拷一些锟剿凤拷锟斤拷式锟斤拷锟斤拷一锟斤拷谁锟斤拷锟斤拷锟饺凤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟杰★拷锟斤拷锟矫筹拷锟斤拷业锟斤拷锟斤拷锟斤拷锟姐）

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟斤拷锟斤拷锟秸凤拷锟斤拷锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟桔察，锟斤拷锟桔★拷锟斤拷2/5锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟截ｏ拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接凤拷母锟斤拷锟斤拷位锟矫★拷

锟斤拷锟斤拷师锟斤拷锟斤拷同锟杰结：一锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟角帮拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷臃锟侥革拷锟斤拷锟轿伙拷谩锟�

锟斤拷锟斤拷2锟斤拷小锟斤拷锟斤拷锟桔ｏ拷探锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷2锟侥碉拷锟斤拷锟斤拷么锟斤拷锟截ｏ拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷2锟斤拷锟缴凤拷母为1锟侥凤拷锟斤拷锟斤拷锟斤拷2=2/1锟斤拷锟斤拷锟斤拷2锟侥碉拷锟斤拷锟斤拷1/2锟斤拷

锟斤拷锟斤拷锟斤拷师锟斤拷锟斤拷同锟杰结：锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟接ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥革拷锟�)

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷习锟斤拷锟斤拷展锟斤拷锟接★拷

锟斤拷锟斤拷1锟斤拷锟斤拷示锟斤拷1/5锟斤拷3/4锟斤拷5/9锟斤拷1锟斤拷3/7锟斤拷9/5锟斤拷4/3锟斤拷7/3锟斤拷锟剿革拷锟斤拷锟斤拷锟斤拷学锟斤拷锟狡讹拷锟斤拷锟斤拷位锟矫ｏ拷锟揭筹拷锟斤拷锟介互为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷2锟斤拷剩锟铰★拷1/5锟斤拷1锟斤拷锟斤拷锟街憋拷锟斤拷锟�1/5锟侥碉拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷1锟侥碉拷锟斤拷锟角硷拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷模锟�

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟接ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥革拷锟斤拷锟斤拷锟�1锟侥碉拷锟斤拷为1锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷为1锟斤拷1=1锟斤拷锟斤拷锟斤拷1锟侥碉拷锟斤拷为1锟斤拷

锟斤拷锟斤拷4锟斤拷0也锟斤拷锟斤拷锟斤拷锟斤拷0锟侥碉拷锟斤拷锟角硷拷锟截ｏ拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷示0锟斤拷锟斤拷锟斤拷=1锟斤拷谁锟斤拷锟斤拷锟斤拷一锟筋？锟斤拷没锟剿撅拷锟街ｏ拷

锟斤拷锟斤拷师锟斤拷0锟斤拷锟轿猴拷锟斤拷锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷说锟斤拷锟斤拷什么锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟�0锟斤拷锟缴凤拷母为1锟侥凤拷锟斤拷锟斤拷锟斤拷为0/1锟斤拷锟斤拷么锟斤拷锟侥碉拷锟斤拷应锟斤拷1/0锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷为0锟斤拷锟斤拷锟斤拷锟斤拷母锟斤拷

锟斤拷锟斤拷5锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷羌俜锟斤拷锟斤拷锟斤拷俜锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷么锟斤拷锟斤拷锟斤拷锟截ｏ拷

锟斤拷锟斤拷锟斤拷锟饺把达拷锟斤拷锟斤拷锟斤拷锟缴假凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷6锟斤拷小锟斤拷锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷小锟斤拷锟斤拷锟缴凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷0.25锟斤拷4=1锟斤拷锟斤拷锟斤拷说0.25锟斤拷4锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟侥★拷锟筋化锟斤拷习锟斤拷锟斤拷锟斤拷锟斤拷摺锟�

锟斤拷锟斤拷1锟斤拷锟斤拷铡锟�

锟斤拷锟斤拷锟斤拷1锟斤拷锟剿伙拷锟角ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷3锟斤拷27/100锟侥碉拷锟斤拷锟角ｏ拷锟斤拷锟斤拷25/16锟侥碉拷锟斤拷锟角ｏ拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷4锟斤拷0.7锟侥碉拷锟斤拷锟角ｏ拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷全锟斤拷小锟结。

锟斤拷锟斤拷同学锟角ｏ拷锟斤拷锟斤拷锟斤拷诳锟斤拷锟斤拷锟绞裁达拷栈锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷0锟斤拷锟解）锟侥碉拷锟斤拷锟斤拷锟斤拷锟角斤拷锟斤拷锟接★拷锟斤拷母锟斤拷锟斤拷位锟矫★拷

锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷1锟斤拷0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�10

锟斤拷锟斤拷锟斤拷学锟斤拷锟捷ｏ拷锟教匡拷锟斤拷锟�24页锟斤拷1锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学目锟疥：

锟斤拷锟斤拷1.使学锟斤拷通锟斤拷探锟斤拷锟筋动锟斤拷锟斤拷识锟斤拷锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷锟揭碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷2.锟斤拷锟斤拷学锟斤拷锟桔察、锟斤拷锟缴★拷锟斤拷锟斤拷锟酵革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷

一锟斤拷锟斤拷锟斤拷锟斤拷习锟斤拷锟斤拷锟窖讹拷1锟斤拷探锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷A锟劫★拷=锟节★拷=锟桔★拷32=锟杰★拷=

锟斤拷锟斤拷锟捷★拷=锟斤拷62锟斤拷=锟竭★拷=锟斤拷锟�=

锟斤拷锟斤拷锟斤拷锟�=锟斤拷锟�=

锟斤拷锟斤拷B锟劫★拷1=锟节★拷1=锟桔★拷1=锟杰★拷1=

锟斤拷锟斤拷锟捷★拷1=锟斤拷1锟斤拷=锟斤拷1锟斤拷=锟斤拷1锟斤拷=

锟斤拷锟斤拷锟斤拷1锟斤拷=锟斤拷1锟斤拷=

锟斤拷锟斤拷C锟劫★拷1=锟节★拷1=锟桔★拷1=锟杰★拷1=

锟斤拷锟斤拷锟捷★拷1=锟睫★拷1=锟竭★拷1锟斤拷锟�1=

锟斤拷锟斤拷锟斤拷锟�1=锟斤拷锟�1=

锟斤拷锟斤拷锟斤拷锟斤拷前,锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较帮拷锟街别发革拷同锟斤拷锟斤拷锟斤拷,锟斤拷锟叫帮拷A锟斤拷锟斤拷锟斤拷锟斤拷锟揭边碉拷学锟斤拷,锟斤拷B锟斤拷C锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷叩锟窖э拷锟�)锟斤拷

锟斤拷锟斤拷师:锟斤拷同学锟斤拷锟矫筹拷锟斤拷前锟斤拷锟侥匡拷锟斤拷锟斤拷习锟斤拷,锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷时锟戒，锟斤拷锟节硷拷时锟斤拷始锟斤拷

锟斤拷锟斤拷之锟斤拷锟斤拷学锟斤拷思锟斤拷为什么锟斤拷锟斤拷锟斤拷谋锟斤拷锟揭伙拷锟侥伙拷锟斤拷呀?学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷幕锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷原锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟截撅拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷稀锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一些锟截点，锟轿猴拷锟斤拷锟斤拷1锟斤拷锟斤拷原锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�1锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�1锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟皆硷拷锟斤拷锟截的地凤拷锟斤拷锟斤拷锟介：1锟斤拷一锟诫，谁锟斤拷锟斤拷谁锟斤拷锟斤拷锟�1锟截ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷愿锟斤拷锟揭伙拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟桔诧拷冉希锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟绞ｏ拷谁锟斤拷谁锟斤拷锟斤拷1锟截ｏ拷锟斤拷锟介：锟斤拷锟斤拷锟斤拷=1

锟斤拷锟斤拷锟斤拷锟斤拷习锟斤拷锟斤拷写锟斤拷锟斤拷嘶锟斤拷锟�1锟斤拷锟斤拷式锟斤拷时锟斤拷1锟斤拷锟接ｏ拷锟斤拷锟斤拷谁写锟矫多。

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟叫★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷

锟斤拷锟斤拷小锟结：3锟斤拷锟斤拷皮锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷写锟揭碉拷锟角慧ｏ拷锟斤拷锟斤拷锟角帮拷锟斤拷锟解考锟角的革拷全锟芥。

锟斤拷锟斤拷锟桔察：锟斤拷些锟斤拷锟斤拷1锟侥乘凤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷什么锟截点？

锟斤拷锟斤拷预锟借：

锟斤拷锟斤拷1锟斤拷锟斤拷锟叫凤拷锟斤拷锟斤拷锟斤拷式锟斤，锟斤拷母锟酵凤拷锟接讹拷锟竭碉拷锟剿★拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟绞颠碉拷锟斤拷锟杰好的革拷锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷`锟截点。锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷硕锟斤拷锟斤拷锟�1锟斤拷锟杰诧拷锟斤拷锟劫举筹拷一些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷暮锟斤拷锟斤拷锟剿硷拷锟斤拷锟斤拷臃锟侥革拷叩锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿碉拷锟斤拷1.锟斤拷锟斤拷学锟较ｏ拷知锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷什么锟金？ｏ拷锟斤拷锟介：锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟襟，凤拷锟接凤拷母锟斤拷锟斤拷锟斤拷位锟矫ｏ拷通锟阶的斤拷锟斤拷锟角碉拷锟斤拷锟斤拷锟剿★拷锟斤拷锟斤拷锟斤拷谁锟杰硷拷锟斤拷锟侥革拷锟斤拷一锟铰ｏ拷什么锟角碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷:锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟解：

锟斤拷锟斤拷锟节碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟叫╋拷时冉锟斤拷锟揭拷锟轿裁达拷锟�

锟斤拷锟斤拷预锟借：

锟斤拷锟斤拷锟劫乘伙拷锟斤拷1锟斤拷强锟斤拷锟斤拷只锟斤拷锟角乘凤拷锟斤拷锟斤拷慕锟斤拷锟斤拷锟接凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥斤拷锟斤拷锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟酵诧拷锟斤拷说锟角伙拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角诧拷锟斤拷锟斤拷3锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥乘伙拷锟斤拷只锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥乘伙拷锟斤拷1.

锟斤拷锟斤拷锟桔伙拷为也锟斤拷锟斤拷要锟斤拷锟斤拷为锟角伙拷锟斤拷锟斤拷锟剿硷拷锟斤拷锟绞撅拷锟斤拷锟斤拷锟街拷锟斤拷一锟街癸拷系锟斤拷一锟斤拷锟斤拷锟斤拷锟杰叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷习锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷小锟斤拷习锟斤拷锟斤拷锟揭伙拷麓锟斤拷锟角凤拷弄锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷锟藉。

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷=1

锟斤拷锟斤拷2锟斤拷锟叫断ｏ拷

锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷=1锟斤拷锟斤拷锟斤拷锟角碉拷锟斤拷锟斤拷也锟角碉拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟节★拷锟斤拷=1锟斤拷锟斤拷锟皆★拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟桔★拷锟侥乘伙拷为1锟斤拷锟斤拷锟斤拷锟诫互为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟矫革拷锟筋，探锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷猓�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷什么锟角碉拷锟斤拷锟斤拷锟角革拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟斤拷嘶锟斤拷锟斤拷锟斤拷锟斤拷然锟斤拷锟斤拷一锟诫，锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷全锟洁交锟斤拷锟斤拷

锟斤拷锟斤拷锟劫凤拷锟斤拷锟斤拷锟斤拷锟揭硷拷锟斤拷同锟斤拷锟饺斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿狄凰碉拷曳锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴凤拷母锟斤拷1锟侥凤拷锟斤拷锟斤拷然锟襟交伙拷锟斤拷锟接和凤拷母锟斤拷位锟矫伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷芯锟�1锟侥碉拷锟斤拷锟斤拷锟斤拷0锟截ｏ拷

锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟饺伙拷锟缴凤拷锟斤拷锟斤拷然锟襟交伙拷锟斤拷锟接和凤拷母锟斤拷位锟矫ｏ拷

锟斤拷锟斤拷锟斤拷锟缴ｏ拷

锟斤拷锟斤拷锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟金？达拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭碉拷锟斤拷锟截ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷证锟斤拷锟杰结方锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟侥★拷锟街诧拷锟斤拷习锟斤拷锟轿筹拷锟斤拷锟斤拷

锟斤拷锟斤拷1锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷锟斤拷伪锟�24页锟斤拷一锟斤拷锟斤拷

锟斤拷锟斤拷预锟借：学锟斤拷锟斤拷锟杰伙拷锟斤拷锟�=

锟斤拷锟斤拷2锟斤拷锟斤拷m锟斤拷=1锟斤拷锟斤拷m=锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟轿猴拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷牵锟斤拷锟斤拷锟�

锟斤拷锟斤拷A锟斤拷锟斤拷锟紹锟劫凤拷锟斤拷C锟斤拷确锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷4锟斤拷锟斤拷戏锟斤拷锟斤拷锟斤拷锟窖★拷

锟斤拷锟斤拷锟斤拷锟斤拷4锟斤拷同学锟斤拷台锟较ｏ拷锟斤拷每锟剿达拷锟斤拷一锟斤拷帽锟接ｏ拷锟斤拷锟斤拷锟叫★拷锟斤拷0.5锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷锟剿匡拷锟斤拷锟斤拷锟皆硷拷头锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿的★拷

锟斤拷锟斤拷锟斤拷5锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷3锟斤拷每锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷

锟斤拷锟斤拷锟藉、锟截癸拷全锟轿ｏ拷锟杰斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诳危锟斤拷锟斤拷锟绞裁达拷栈锟�

锟斤拷锟斤拷师锟斤拷同学锟斤拷锟节讹拷锟斤拷思锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷什么锟角碉拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�1锟侥碉拷锟斤拷锟斤拷1,0没锟叫碉拷锟斤拷锟斤拷希锟斤拷同学锟斤拷锟斤拷学习锟斤拷锟杰硷拷锟斤拷锟斤拷诠鄄臁拷锟斤拷诙锟斤拷缘暮锟较帮拷撸锟教斤拷锟斤拷锟斤拷锟斤拷锟斤拷学知识锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�11

锟斤拷锟斤拷锟斤拷学锟斤拷锟捷ｏ拷

锟斤拷锟斤拷锟斤拷锟剿教帮拷锟斤拷锟疥级锟斤拷学锟较诧拷锟�28页锟斤拷锟斤拷1锟斤拷

锟斤拷锟斤拷锟斤拷学目锟疥：

锟斤拷锟斤拷1锟斤拷通锟斤拷学习锟斤拷使学锟斤拷知锟斤拷什么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷之锟斤拷墓锟较碉拷锟斤拷锟斤拷遣锟斤拷芄锟斤拷锟斤拷锟斤拷诘模锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟酵拷锟窖帮拷锟绞寡э拷锟街拷锟斤拷锟�0锟斤拷没锟叫碉拷锟斤拷锟斤拷锟斤拷1锟斤拷锟侥碉拷锟斤拷锟斤拷锟角★拷1锟斤拷锟斤拷

锟斤拷锟斤拷2锟斤拷学锟斤拷锟斤拷锟斤拷锟皆硷拷锟斤拷锟斤拷锟解，锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷知锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫乘凤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫碉拷锟斤拷锟斤拷锟接和凤拷母位锟矫的凤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟斤拷知识锟斤拷取锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷学锟斤拷锟桔察、锟斤拷锟缴★拷锟斤拷锟斤拷锟酵革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟窖э拷锟斤拷锟窖э拷锟斤拷锟斤拷摹锟�

锟斤拷锟斤拷锟斤拷学锟截点：

锟斤拷锟斤拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉，学锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟窖点：

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷确锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟街碉拷锟斤拷锟斤拷`一些锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学准锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷媒锟斤拷渭锟斤拷锟�

锟斤拷锟斤拷锟斤拷学锟斤拷锟教ｏ拷

锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷戏锟斤拷锟诫，锟斤拷示锟斤拷锟解。

锟斤拷锟斤拷锟较匡拷之前锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷同学锟角碉拷锟斤拷锟斤拷学锟斤拷锟斤拷巍锟斤拷锟斤拷獭锟斤拷锟斤拷锟街讹拷什么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷虏锟斤拷值叩锟斤拷锟斤拷锟绞裁达拷郑锟斤拷锟斤拷锟斤拷獭锟斤拷锟斤拷锟斤拷猓╋拷锟斤拷锟绞匡拷锟斤拷锟斤拷锟街讹拷什么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷虏锟斤拷值叩锟斤拷锟斤拷锟绞裁达拷郑锟斤拷锟斤拷锟绞匡拷锟斤拷锟斤拷锟斤拷桑锟斤拷锟斤拷泄锟斤拷锟斤拷锟斤拷胁锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷墓锟较碉拷锟斤拷锟斤拷锟窖э拷锟揭诧拷锟斤拷锟斤拷锟斤拷止锟较碉拷锟�

锟斤拷锟斤拷锟界：锟斤拷锟斤拷锟介：3/8锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟接和凤拷母锟斤拷位锟矫碉拷锟斤拷锟斤拷锟斤拷锟侥革拷锟斤拷锟斤拷锟斤拷锟斤拷8 /3锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷谁锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿硷拷锟斤拷示锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖凤拷锟斤拷锟侥凤拷锟接和凤拷母锟斤拷锟铰颠碉拷之锟斤拷统锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷芨锟斤拷锟斤拷锟斤拷锟斤拷愿锟斤拷锟叫╋拷锟斤拷碌叩锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟金？ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角撅拷一锟斤拷锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟介：锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示学习目锟疥：

锟斤拷锟斤拷1锟斤拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉。

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷准确锟斤拷写锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟斤拷知

锟斤拷锟斤拷锟斤拷一锟斤拷探锟斤拷锟斤拷锟桔ｏ拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉。

锟斤拷锟斤拷1锟斤拷锟斤拷锟轿硷拷锟斤拷示锟教材碉拷24页锟斤拷1锟斤拷锟侥革拷锟斤拷式锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷展小锟斤拷疃拷锟斤拷锟揭伙拷悖拷锟揭伙拷遥锟斤拷锟斤拷锟斤拷锟绞斤拷锟绞裁达拷氐悖�

锟斤拷锟斤拷小锟斤拷惚拷锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷悖拷锟斤拷锟矫匡拷锟斤拷锟绞斤拷某嘶锟斤拷锟斤拷锟�1锟斤拷通锟斤拷锟桔察发锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷雍头锟侥肝伙拷锟斤拷堑叩锟斤拷摹锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟揭凤拷锟斤拷锟斤拷每锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟侥革拷锟斤拷玫叩锟斤拷锟轿伙拷茫锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷2锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟藉：锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷(学锟斤拷锟斤拷锟斤拷锟斤拷锟�)锟斤拷

锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解互为锟斤拷锟斤拷锟斤拷锟截ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷之锟斤拷墓锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷嗷ワ拷锟斤拷妫伙拷锟斤拷锟斤拷锟斤拷芙械锟斤拷锟斤拷锟斤拷锟斤拷芫锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟筋化锟斤拷锟解。

锟斤拷锟斤拷1锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷系锟截ｏ拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷3/8锟斤拷8/3锟斤拷1锟斤拷锟斤拷么锟斤拷锟角撅拷说8/3锟斤拷3/8锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷说锟斤拷3/8锟斤拷8/3锟侥碉拷锟斤拷锟斤拷也锟斤拷锟斤拷说3/8锟斤拷8/3锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷谁锟斤拷锟斤拷锟斤拷锟剿邓碉拷锟斤拷锟�

锟斤拷锟斤拷2锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷什么锟截点？锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟接★拷锟斤拷母锟斤拷锟矫颠碉拷锟斤拷位锟矫ｏ拷

锟斤拷锟斤拷锟斤拷锟界：锟斤拷2/5锟侥碉拷锟斤拷锟斤拷5/2锟斤拷5/2锟侥碉拷锟斤拷锟斤拷2/5锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷说5/2锟角碉拷锟斤拷锟斤拷要说锟斤拷锟斤拷谁锟侥碉拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟斤拷一锟诫：1锟侥碉拷锟斤拷锟角讹拷锟劫ｏ拷0锟叫碉拷锟斤拷锟斤拷为什么锟斤拷锟斤拷么锟斤拷锟解？锟斤拷为1锟斤拷1锟斤拷1锟斤拷锟斤拷锟捷★拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷1锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷为0锟斤拷锟轿猴拷锟斤拷锟斤拷硕锟斤拷锟斤拷锟斤拷锟�1锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫革拷锟筋。

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷示锟斤拷2锟斤拷写锟斤拷锟斤拷锟斤拷3/5 锟斤拷7/2锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟桔后，斤拷师锟斤拷锟斤拷锟教帮拷锟斤拷锟斤拷锟铰ｏ拷3/5锟侥凤拷锟接凤拷母锟斤拷锟斤拷位锟斤拷---5/3 7/2锟侥凤拷锟接凤拷母锟斤拷锟斤拷位锟斤拷---2/7

锟斤拷锟斤拷锟斤拷锟斤拷3/5锟侥碉拷锟斤拷锟斤拷5/3锟斤拷7/2锟侥碉拷锟斤拷锟斤拷2/7 锟斤拷锟斤拷锟杰诧拷锟斤拷写锟斤拷3/5=5/3锟斤拷为什么锟斤拷锟斤拷

锟斤拷锟斤拷小锟结：锟斤拷一锟斤拷锟斤拷锟斤拷0锟斤拷锟解）锟侥碉拷锟斤拷锟斤拷只要锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷印锟斤拷锟侥革拷锟斤拷锟轿伙拷谩锟斤拷锟�

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟酵达拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟截ｏ拷锟斤拷锟轿硷拷锟斤拷示锟斤拷学锟斤拷锟桔察。锟斤拷

锟斤拷锟斤拷师强锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺伙拷锟缴假凤拷锟劫把凤拷锟接和凤拷母锟斤拷锟斤拷位锟矫ｏ拷小锟斤拷要锟饺帮拷锟斤拷锟斤拷锟缴凤拷锟斤拷锟劫把凤拷锟接和凤拷母锟斤拷锟斤拷位锟矫★拷

锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解）锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷示6锟侥碉拷锟斤拷锟角硷拷锟斤拷锟斤拷锟斤拷示锟轿硷拷锟斤拷

锟斤拷锟斤拷锟侥★拷锟斤拷锟斤拷锟斤拷锟斤拷业

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷一锟筋。锟斤拷锟斤拷示锟轿硷拷锟斤拷

锟斤拷锟斤拷1锟斤拷锟剿伙拷锟角ｏ拷锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷2锟斤拷a锟斤拷b锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷a锟侥碉拷锟斤拷锟角ｏ拷锟斤拷锟斤拷b锟侥碉拷锟斤拷锟角ｏ拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷只锟叫碉拷锟劫凤拷锟斤拷为锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷龋锟斤拷锟斤拷锟斤拷锟斤拷锟矫伙拷械锟斤拷锟斤拷锟�

锟斤拷锟斤拷4锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟揭伙拷锟斤拷牵锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫讹拷锟解。锟斤拷锟斤拷示锟轿硷拷锟斤拷

锟斤拷锟斤拷1锟斤拷5/3锟角碉拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷为3/4锟斤拷4/3锟斤拷锟斤拷锟斤拷锟斤拷4/3锟角碉拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷锟�1锟斤拷锟劫凤拷锟斤拷锟侥碉拷锟斤拷小锟斤拷1锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷4锟斤拷锟斤拷为1/4锟斤拷3/4锟斤拷1锟斤拷锟斤拷锟斤拷1/4锟斤拷/4锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷说一说锟斤拷锟斤拷锟轿憋拷锟斤拷29页锟侥碉拷3锟解）

锟斤拷锟斤拷锟藉、锟斤拷锟斤拷小锟结：

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学习锟斤拷锟叫关碉拷锟斤拷锟斤拷锟斤拷些锟斤拷知识锟斤拷什么锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷什么锟斤拷锟斤拷锟斤拷锟金？帮拷锟斤拷锟斤拷疲锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识

锟斤拷锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷 0没锟叫碉拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷2锟斤拷写锟斤拷锟斤拷锟斤拷2/5 锟斤拷7/2锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷2/5锟侥凤拷锟接凤拷母锟斤拷锟斤拷位锟斤拷---5/2 7/2锟侥凤拷锟接凤拷母锟斤拷锟斤拷位锟斤拷---2/7 6锟侥碉拷锟斤拷锟斤拷1/6锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷劝汛锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟劫凤拷锟斤拷锟斤拷锟劫把凤拷锟接和凤拷母锟斤拷锟斤拷位锟矫★拷

锟斤拷锟斤拷锟斤拷小锟斤拷锟侥碉拷锟斤拷锟斤拷锟饺帮拷小锟斤拷锟斤拷锟缴凤拷锟斤拷锟斤拷锟劫把凤拷锟接和凤拷母锟斤拷锟斤拷位锟矫★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�12

锟斤拷锟斤拷锟斤拷学目锟疥：

锟斤拷锟斤拷1锟斤拷通锟斤拷锟桔察、锟饺较★拷锟斤拷锟斤拷锟斤拷锟斤拷锟襟，从憋拷锟斤拷锟斤拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷锟斤拷确锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷 2锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷学思维锟斤拷

锟斤拷锟斤拷锟斤拷学锟截点：锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉，锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟窖点：

锟斤拷锟斤拷锟接憋拷锟斤拷锟斤拷锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉。

锟斤拷锟斤拷锟斤拷学锟斤拷锟教ｏ拷

一锟斤拷锟斤拷锟斤拷锟斤拷锟捷ｏ拷锟饺硷拷锟姐，锟劫观察发锟街★拷

锟斤拷锟斤拷1锟斤拷锟斤拷示锟斤拷3/8锟斤拷8/3 7/15锟斤拷15/7 5锟斤拷1/5 0.25锟斤拷4 2锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫╋拷锟斤拷锟斤拷惴拷锟斤拷锟绞裁达拷锟斤拷锟�?(学锟斤拷锟饺讹拷锟斤拷思锟斤拷锟斤拷然锟斤拷锟斤拷锟节斤拷锟斤拷)

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷思锟芥，锟斤拷锟斤拷锟斤拷睢�

锟斤拷锟斤拷1锟斤拷锟姐报锟斤拷锟剿伙拷锟斤拷锟斤拷1锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟杰革拷锟斤拷锟斤拷锟斤拷墓鄄锟叫达拷锟斤拷嘶锟斤拷锟�1锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷?

锟斤拷锟斤拷3/4锟斤拷( )=1 ( )锟斤拷9/7=1

锟斤拷锟斤拷说说锟斤拷锟斤拷锟斤拷锟斤拷写锟矫ｏ拷锟斤拷什么锟斤拷锟斤拷?

锟斤拷锟斤拷锟姐还锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷?锟斤拷锟斤拷要写锟斤拷锟斤拷锟节诧拷同!(锟斤拷锟斤拷学锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷) 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�?

锟斤拷锟斤拷锟斤拷0.5锟斤拷1.7 3锟斤拷锟斤拷锟斤拷锟斤拷睿拷嘶锟斤拷锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷说谁锟斤拷谁锟角伙拷为锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷说谁锟斤拷谁锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷4锟斤拷锟斤拷学锟斤拷说说锟斤拷锟斤拷锟斤拷锟�(锟斤拷锟斤拷锟斤拷说锟斤拷)锟斤拷

锟斤拷锟斤拷5锟斤拷锟角伙拷为锟斤拷锟斤拷锟斤拷锟斤拷锟角的伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截碉拷锟斤拷?锟斤拷细锟桔诧拷锟斤拷些锟斤拷锟斤拷

锟斤拷锟斤拷学锟斤拷锟斤拷锟桔ｏ拷锟斤拷锟斤拷锟侥凤拷锟接凤拷母锟斤拷锟斤拷一锟斤拷位锟斤拷;

锟斤拷锟斤拷师锟斤拷锟斤拷么5锟斤拷1/5 0.2锟斤拷5锟剿伙拷也锟斤拷1哟!锟斤拷么?锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷也锟斤拷锟缴凤拷锟斤拷锟斤拷

锟斤拷锟斤拷6锟斤拷锟斤拷通锟斤拷锟斤拷锟接凤拷母锟斤拷一锟铰革拷锟剿伙拷锟斤拷1锟斤拷锟斤拷系锟斤拷?

锟斤拷锟斤拷7锟斤拷锟斤拷锟斤拷锟斤拷缘锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞�?

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷5/11锟侥碉拷锟斤拷锟斤拷( )锟斤拷( )锟侥碉拷锟斤拷锟斤拷4/7锟斤拷( )锟斤拷15锟角伙拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷?说说锟斤拷姆锟斤拷锟斤拷锟�(锟接碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�)

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷?锟斤拷锟斤拷锟揭碉拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷?

锟斤拷锟斤拷3/5 4/9 6 7/2 1 1.25 1.2 0

锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷桑锟饺伙拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟侥斤拷学锟斤拷思锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷一锟节匡拷锟斤拷锟捷很简单ｏ拷锟斤拷锟斤拷锟节凤拷锟斤拷锟剿凤拷锟斤拷锟斤拷幕锟斤拷锟斤拷辖锟斤拷薪锟窖э拷模锟斤拷锟斤拷锟揭拷锟斤拷锟斤拷锟斤拷锟斤拷锟阶硷拷锟斤拷锟斤拷锟斤拷诳锟斤拷锟揭拷锟窖э拷锟斤拷锟斤拷獾癸拷锟斤拷锟斤拷锟斤拷澹拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟�'锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷学锟斤拷锟解部锟斤拷知识锟斤拷锟斤拷锟杰革拷锟矫碉拷锟斤拷锟秸猴拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷募锟斤拷锟斤拷应锟斤拷锟解。锟斤拷诳锟斤拷锟斤拷锟狡碉拷锟斤拷锟斤拷锟斤拷戏锟结穿锟斤拷锟斤拷锟斤拷锟斤拷锟捷碉拷始锟秸★拷锟轿碉拷一锟斤拷始锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟街ｏ拷锟斤拷锟斤拷锟窖ｏ拷通锟斤拷锟斤拷锟斤拷锟窖碉拷锟斤拷戏锟斤拷锟解“什么锟角伙拷为锟斤拷锟斤拷锟窖★拷?锟接讹拷锟斤拷锟斤拷锟斤拷锟解“锟斤拷为锟斤拷锟侥猴拷锟藉，为锟皆猴拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷禄锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟狡★拷锟斤拷锟街★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷?锟界：锟斤拷说锟斤拷锟解”锟斤拷锟接★拷锟斤拷锟斤拷锟铰颠碉拷锟斤拷锟斤拷锟绞裁达拷锟�?锟斤拷锟斤拷学锟角诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷?使学锟斤拷锟斤拷锟斤拷锟斤拷锟街碉拷同时锟斤拷锟解倒锟斤拷锟斤拷锟斤拷锟藉，同时也锟斤拷锟斤拷锟斤拷锟斤拷学学习锟斤拷趣味锟皆★拷锟斤拷锟斤拷之锟斤拷锟斤拷锟斤拷锟节憋拷锟斤拷锟斤拷为锟斤拷锟斤拷强学锟斤拷学习锟斤拷趣味锟皆ｏ拷锟斤拷频锟斤拷锟较凤拷锟斤拷诨锟斤拷锟绞憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷学习锟斤拷锟教ｏ拷锟狡憋拷要锟斤拷去锟斤拷锟斤拷锟斤拷时锟戒，锟斤拷锟斤拷锟斤拷习应锟矫碉拷时锟斤拷锟斤拷锟皆硷拷锟劫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷锟斤拷牡锟斤拷锟绞憋拷锟较帮拷锟斤拷伲锟斤拷锟剿ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟节匡拷时锟戒还锟斤拷应锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�13

锟斤拷锟斤拷锟斤拷学锟斤拷锟捷ｏ拷

锟斤拷锟斤拷锟轿憋拷28页锟斤拷锟斤拷锟斤拷锟斤拷识

锟斤拷锟斤拷锟斤拷学目锟疥：

锟斤拷锟斤拷1.通锟斤拷一些实锟斤拷锟斤拷探锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷盏锟斤拷锟斤拷锟斤拷锟斤拷濉ｏ拷诤锟斤拷锟教斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷2.使学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷母锟斤拷锟斤拷锟斤拷蹋锟斤拷锟斤拷锟斤拷锟脚观察、锟饺较★拷锟斤拷锟斤拷锟酵癸拷锟缴碉拷锟斤拷锟斤拷锟皆硷拷锟斤拷锟斤拷锟斤拷锟街讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷3.通锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟筋动锟斤拷锟斤拷锟斤拷锟斤拷学学习锟斤拷锟斤拷趣锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷锟斤拷锟斤拷学习锟斤拷校锟斤拷锟斤拷珊锟斤拷锟教斤拷锟斤拷锟斤拷锟斤拷习锟竭★拷

锟斤拷锟斤拷锟斤拷学锟截点：

锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷

锟斤拷锟斤拷锟斤拷学锟窖点：

锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷

锟斤拷锟斤拷锟斤拷学准锟斤拷锟斤拷

锟斤拷锟斤拷PPT锟轿硷拷锟斤拷锟斤拷片

锟斤拷锟斤拷锟斤拷学锟斤拷锟教ｏ拷

锟斤拷锟斤拷一锟斤拷锟介境锟斤拷锟诫，锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷1锟斤拷锟叫撅拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷式锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷示锟斤拷锟解：锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷啵拷锟窖э拷锟教斤拷锟斤拷锟斤拷锟斤拷投锟斤拷锟斤拷锟斤拷锟教革拷锟斤拷锟斤拷锟较凤拷榫筹拷锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷锟斤拷锟斤拷猓拷锟斤拷锟斤拷锟解。

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷1.探锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟藉。

锟斤拷锟斤拷锟斤拷1锟斤拷锟桔诧拷詹锟斤拷芯俚锟斤拷锟斤拷樱锟斤拷页锟斤拷氐恪�

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟藉：锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷3锟斤拷小锟斤拷锟斤拷锟桔ｏ拷什么锟角碉拷锟斤拷锟斤拷

锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷思锟斤拷锟斤拷锟斤拷锟节斤拷锟斤拷锟斤拷

锟斤拷锟斤拷全锟斤拷惚拷锟斤拷锟绞︼拷锟斤拷锟窖э拷锟斤拷幕惚拷悴︼拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷师锟斤拷锟斤拷同锟斤拷锟缴碉拷锟斤拷锟斤拷锟斤拷锟藉：锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷师锟斤拷锟介）

锟斤拷锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟接ｏ拷3/8锟斤拷8/3=1锟斤拷3/8锟斤拷8/3锟斤拷为锟斤拷锟斤拷锟斤拷3/8锟侥碉拷锟斤拷锟斤拷8/3锟斤拷8/3锟斤拷`锟斤拷锟斤拷锟斤拷3/8.

锟斤拷锟斤拷锟斤拷5锟斤拷锟节达拷锟斤拷习锟斤拷

锟斤拷锟斤拷2.探锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟�1锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷小锟斤拷锟缴达拷锟斤拷锟斤拷锟斤拷锟斤拷1

锟斤拷锟斤拷锟斤拷3锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫达拷锟斤拷锟绞撅拷锟斤拷慕锟斤拷锟斤拷也锟斤拷锟矫★拷锟斤拷锟斤拷锟桔号ｏ拷锟斤拷示锟斤拷

锟斤拷锟斤拷锟斤拷4锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟缴ｏ拷0锟斤拷没锟叫碉拷锟斤拷锟斤拷为什么锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟缴★拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷=1锟斤拷锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷1锟斤拷锟斤拷0锟斤拷锟斤拷锟斤拷=1锟截ｏ拷

锟斤拷锟斤拷1锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷5锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷0锟斤拷锟解）锟侥碉拷锟斤拷锟斤拷只要锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷印锟斤拷锟侥革拷锟斤拷嘟伙拷锟轿伙拷镁锟斤拷锟斤拷恕锟�

锟斤拷锟斤拷锟斤拷6锟斤拷锟斤拷习锟斤拷师锟斤拷锟皆匡拷锟筋，锟揭碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷师说一锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷3锟斤拷探锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷同学锟斤拷锟窖撅拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟剿★拷锟斤拷一锟诫，锟斤拷锟角伙拷学锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷么锟斤拷么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟截ｏ拷选锟斤拷一锟街ｏ拷锟斤拷小锟斤拷锟斤拷探锟斤拷锟斤拷

锟斤拷锟斤拷A锟斤拷学锟斤拷选锟斤拷一锟斤拷锟叫撅拷锟斤拷锟斤拷师巡锟斤拷指锟斤拷锟斤拷

锟斤拷锟斤拷B锟斤拷学锟斤拷锟斤拷锟斤拷锟姐报锟斤拷锟斤拷师锟街憋拷锟斤拷锟揭伙拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟街碉拷锟斤拷学锟斤拷锟斤拷学习锟斤拷锟斤拷锟皆ｏ拷锟斤拷学锟斤拷锟结供锟斤拷锟斤拷拇锟斤拷锟斤拷锟窖э拷疃拷幕锟斤拷幔拷锟斤拷锟窖э拷锟斤拷锟斤拷锟叫★拷锟斤拷锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷知锟斤拷锟斤拷锟解并锟斤拷锟秸碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷蠓ǎ锟斤拷锟斤拷锟窖э拷锟斤拷锟教斤拷锟斤拷锟斤拷锟斤拷锟教斤拷锟斤拷锟绞讹拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷系锟斤拷锟斤拷展锟筋化锟斤拷

锟斤拷锟斤拷1.锟斤拷锟斤拷锟斤拷一锟筋。

锟斤拷锟斤拷2.锟斤拷锟斤拷小锟斤拷锟劫★拷

锟斤拷锟斤拷3.锟斤拷戏锟斤拷锟斤拷锟斤拷锟窖★拷

锟斤拷锟斤拷师锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷一些锟斤拷片锟斤拷锟斤拷锟斤拷写锟斤拷一些锟斤拷锟街ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷为锟斤拷锟斤拷锟斤拷系锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角猴拷锟斤拷锟窖★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷趴锟狡拷页锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟斤拷蔚锟斤拷锟较帮拷锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷锟斤拷锟街拷锟斤拷锟皆舅嘉拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷锟叫诧拷锟斤拷锟斤拷锟较凤拷锟较帮拷锟斤拷锟斤拷锟斤拷锟窖э拷锟窖帮拷幕锟斤拷锟斤拷院锟斤拷锟斤拷锟斤拷裕锟斤拷俅渭锟斤拷锟剿嘉拷叱锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷锟斤拷锟矫碉拷锟斤拷锟斤拷锟斤拷椤�

锟斤拷锟斤拷锟侥★拷锟杰结反思

锟斤拷锟斤拷锟斤拷诳锟斤拷锟斤拷锟斤拷锟绞裁达拷栈瘢炕锟斤拷锟绞裁达拷锟斤拷剩锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷锟街讹拷锟斤拷锟剿硷拷约锟斤拷锟窖帮拷锟斤拷蹋锟斤拷锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖а帮拷木锟斤拷椤�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷疲锟� 锟斤拷锟斤拷锟斤拷锟斤拷识

锟斤拷锟斤拷锟剿伙拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷0锟斤拷锟解）锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟侥革拷锟斤拷锟轿伙拷谩锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷锟�14

锟斤拷锟斤拷锟斤拷学目锟疥：

锟斤拷锟斤拷1. 通锟斤拷一些实锟斤拷锟斤拷探锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷盏锟斤拷锟斤拷锟斤拷锟斤拷濉ｏ拷诤锟斤拷锟教斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷2. 使学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷母锟斤拷锟斤拷锟斤拷蹋锟斤拷锟斤拷锟斤拷锟脚观察、锟饺较★拷锟斤拷锟斤拷锟酵癸拷锟缴碉拷锟斤拷锟斤拷锟皆硷拷锟斤拷锟斤拷锟斤拷锟街讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷3. 通锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟筋动锟斤拷锟斤拷锟斤拷锟斤拷学学习锟斤拷锟斤拷趣锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷锟斤拷锟斤拷学习锟斤拷校锟斤拷锟斤拷珊锟斤拷锟教斤拷锟斤拷锟斤拷锟斤拷习锟竭★拷

锟斤拷锟斤拷锟斤拷学锟斤拷锟教ｏ拷

锟斤拷锟斤拷一锟斤拷锟介境锟斤拷锟诫，锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷1. 谈锟斤拷锟斤拷锟解“锟斤拷为锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟阶伙拷说锟斤拷锟节家匡拷锟斤拷母锟斤拷锟斤拷锟脚匡拷锟斤拷锟窖ｏ拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷铣锟斤拷锟斤拷锟斤拷锟街拷猓惨拷锟斤拷锟斤拷眩锟斤拷锟斤拷锟斤拷锟斤拷约锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷一锟斤拷学锟斤拷锟斤拷锟阶ｏ拷说锟斤拷锟皆硷拷锟侥猴拷锟斤拷锟斤拷锟斤拷谁锟斤拷锟斤拷锟揭ｏ拷

锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷一锟戒话锟斤拷锟斤拷锟斤拷锟斤拷之锟斤拷锟斤拷锟斤拷压锟较碉拷穑炕锟斤拷锟斤拷锟斤拷锟矫此碉拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷眩锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿裁达拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟窖э拷锟斤拷锟斤拷诨锟轿拷锟斤拷锟斤拷值锟斤拷锟斤拷锟饺斤拷锟窖ｏ拷锟角斤拷学锟叫碉拷一锟斤拷锟窖点。锟斤拷锟斤拷锟斤，锟斤拷锟斤拷锟斤拷锟斤拷锟揭碉拷锟斤拷锟窖ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟较碉拷锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷然锟叫达拷锟斤拷锟介境锟斤拷锟斤拷学锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟介，锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟介境锟斤拷知锟斤拷什么锟角★拷锟斤拷为锟斤拷锟窖★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟侥伙拷锟斤拷锟皆ｏ拷锟斤拷学锟斤拷锟节诧拷知锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿★拷锟斤拷为锟斤拷锟侥猴拷锟藉，锟斤拷散锟剿斤拷学锟斤拷锟窖点。

锟斤拷锟斤拷2. 锟斤拷戏锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷铡锟�

锟斤拷锟斤拷锟教★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� 锟斤拷 3/8 锟斤拷锟斤拷锟斤拷锟斤拷 / 锟斤拷10/7 锟斤拷锟斤拷锟斤拷锟斤拷 / 锟斤拷

锟斤拷锟斤拷锟斤拷1 锟斤拷学锟斤拷锟桔诧拷锟斤拷眨锟街革拷锟斤拷卮穑锟剿碉拷锟斤拷锟斤拷锟矫达拷锟斤拷锟侥★拷

锟斤拷锟斤拷锟斤拷2 锟斤拷师锟斤拷锟斤拷锟斤拷锟杰帮拷锟斤拷锟斤拷锟斤拷墓锟斤拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷锟斤拷穑浚锟窖э拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞︼拷锟斤拷椋�

锟斤拷锟斤拷3. 学锟斤拷锟桔诧拷锟斤拷锟侥硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫匡拷锟斤拷械锟斤拷锟斤拷锟斤拷锟斤拷锟绞裁达拷氐悖�

锟斤拷锟斤拷同锟斤拷锟斤拷锟桔斤拷锟斤拷锟斤拷然锟斤拷全锟斤拷惚匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷氐悖拷锟绞ψ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷欠锟斤拷印锟斤拷锟侥革拷锟斤拷锟斤拷锟斤拷氐锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥乘伙拷锟斤拷锟芥。锟斤拷

锟斤拷锟斤拷4. 师锟斤拷锟杰革拷锟斤拷每锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截点，锟斤拷锟解几锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷实锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷师锟斤拷示锟斤拷锟解：锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷

锟斤拷锟斤拷5. 师锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷猓拷锟斤拷锟斤拷锟斤拷什么锟斤拷锟解？

锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟截达拷选锟斤拷锟斤拷椤ｏ拷纾�

锟斤拷锟斤拷锟斤拷1 锟斤拷什么锟角碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2 锟斤拷锟斤拷么锟斤拷锟斤拷一锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷3 锟斤拷锟斤拷识锟斤拷锟斤拷锟斤拷什么锟斤拷锟矫ｏ拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷1. 探锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟藉。

锟斤拷锟斤拷锟斤拷1 锟斤拷锟桔诧拷3/8 锟斤拷8/3 锟斤拷说说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷么锟斤拷说锟斤拷

锟斤拷锟斤拷锟斤拷2 锟斤拷谁锟斤拷说说10/7 锟斤拷7/10 锟斤拷谁锟斤拷谁锟斤拷为锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷么锟斤拷说锟斤拷

锟斤拷锟斤拷锟斤拷3 锟斤拷小锟斤拷锟斤拷锟桔ｏ拷什么锟角碉拷锟斤拷锟斤拷

锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷思锟斤拷锟斤拷锟斤拷锟节斤拷锟斤拷锟斤拷

锟斤拷锟斤拷全锟斤拷惚拷锟斤拷锟绞︼拷锟斤拷锟窖э拷锟斤拷幕惚拷悴︼拷锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷锟斤拷械拇锟斤拷牵锟�

锟斤拷锟斤拷A 锟斤拷锟斤拷锟接★拷锟斤拷母锟洁互锟斤拷锟斤拷位锟矫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷B 锟斤拷锟剿伙拷锟斤拷1 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷师锟斤拷锟斤拷同锟斤拷锟缴碉拷锟斤拷锟斤拷锟斤拷锟藉：锟剿伙拷锟斤拷1 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷师锟斤拷锟介）

锟斤拷锟斤拷2. 探锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷1 锟斤拷学习锟斤拷1 锟斤拷写锟斤拷7/8 锟斤拷5/2 锟斤拷'锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷A 锟斤拷学锟斤拷锟斤拷写锟斤拷锟斤拷师巡锟接ｏ拷锟斤拷锟斤拷锟斤拷写锟斤拷式锟斤拷

锟斤拷锟斤拷B 锟斤拷指锟斤拷锟截答，斤拷师锟斤拷锟介：7/8 锟侥碉拷锟斤拷锟斤拷8/7 锟斤拷5/2 锟侥碉拷锟斤拷锟斤拷2/5 锟斤拷

锟斤拷锟斤拷C 锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷2 锟斤拷师锟斤拷同学锟斤拷锟窖撅拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟剿★拷锟斤拷一锟诫，锟斤拷锟角伙拷学锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷么锟斤拷么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟截ｏ拷选锟斤拷一锟街ｏ拷锟斤拷小锟斤拷锟斤拷探锟斤拷锟斤拷

锟斤拷锟斤拷A 锟斤拷学锟斤拷选锟斤拷一锟斤拷锟叫撅拷锟斤拷锟斤拷师巡锟斤拷指锟斤拷锟斤拷

锟斤拷锟斤拷B 锟斤拷学锟斤拷锟斤拷锟斤拷锟姐报锟斤拷锟斤拷师锟街憋拷锟斤拷锟揭伙拷锟斤拷锟�

锟斤拷锟斤拷C 锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷3 锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷锟缴ｏ拷0 锟斤拷没锟叫碉拷锟斤拷锟斤拷为什么锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟缴★拷

锟斤拷锟斤拷1 锟斤拷锟斤拷锟斤拷=1 锟斤拷锟斤拷锟斤拷1 锟侥碉拷锟斤拷锟斤拷1 锟斤拷锟斤拷0 锟斤拷锟斤拷锟斤拷=1 锟截ｏ拷

锟斤拷锟斤拷1 锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0 没锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷0 锟斤拷锟解）锟侥碉拷锟斤拷锟斤拷只要锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷印锟斤拷锟侥革拷锟斤拷嘟伙拷锟轿伙拷镁锟斤拷锟斤拷恕锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷系锟斤拷锟斤拷展锟筋化锟斤拷

锟斤拷锟斤拷1. 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷4/3 锟斤拷 7/6 锟斤拷 8 锟斤拷 6/7 锟斤拷 3/4 锟斤拷 1/8

锟斤拷锟斤拷2. 写锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟�

锟斤拷锟斤拷4/11 锟斤拷 16/9 锟斤拷 35 锟斤拷 15/8 锟斤拷 1/5

锟斤拷锟斤拷学锟斤拷锟节匡拷锟斤拷锟斤拷锟斤拷写锟斤拷锟斤拷些锟斤拷锟侥碉拷锟斤拷锟斤拷指锟斤拷锟截答，诧拷说锟斤拷锟斤拷锟斤拷么锟斤拷锟斤拷模锟斤拷锟斤拷锟斤拷锟斤拷邸锟�

锟斤拷锟斤拷3. 锟斤拷锟斤拷小锟斤拷锟劫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷1 锟斤拷1 锟侥碉拷锟斤拷锟斤拷1 锟斤拷锟斤拷2 锟斤拷锟斤拷锟叫碉拷锟斤拷锟斤拷锟叫碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷3 锟斤拷3/4 锟角碉拷锟斤拷锟斤拷锟斤拷4 锟斤拷A 锟侥碉拷锟斤拷锟斤拷1/A 锟斤拷

锟斤拷锟斤拷锟斤拷5 锟斤拷锟斤拷为0.5 锟斤拷2=1 锟斤拷锟斤拷锟斤拷0.5 锟斤拷2 锟斤拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷6 锟斤拷7/5 锟侥碉拷锟斤拷锟斤拷7/2 锟斤拷

锟斤拷锟斤拷锟斤拷7 锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷锟斤拷锟�1 锟斤拷锟斤拷8 锟斤拷锟劫凤拷锟斤拷锟侥碉拷锟斤拷锟斤拷小锟斤拷1 锟斤拷

锟斤拷锟斤拷锟斤拷9 锟斤拷锟斤拷为8 锟斤拷7=1 锟斤拷3 锟斤拷3=1 锟斤拷锟斤拷锟斤拷8 锟斤拷7 锟斤拷3 锟斤拷3 锟角伙拷为锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷4. 锟斤拷铡锟�

锟斤拷锟斤拷3/4 锟斤拷锟斤拷锟斤拷=1 7 锟斤拷锟斤拷锟斤拷=1

锟斤拷锟斤拷2/5 锟斤拷锟斤拷锟斤拷= 锟斤拷锟斤拷锟斤拷4= 5/4 锟斤拷锟斤拷锟斤拷=0.5 锟斤拷锟斤拷锟斤拷=1

锟斤拷锟斤拷5. 锟斤拷戏锟斤拷锟斤拷锟斤拷锟窖★拷

锟斤拷锟斤拷师锟斤拷锟秸诧拷锟斤拷锟斤拷锟斤拷锟较匡拷时锟斤拷锟斤拷说锟斤拷锟斤拷锟皆硷拷锟侥猴拷锟斤拷锟窖ｏ拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟教拷锟斤拷耍锟斤拷锟斤拷锟斤拷锟斤拷蔷锟斤拷诳锟斤拷锟斤拷锟斤拷锟斤拷壹锟斤拷锟斤拷锟斤拷寻桑锟皆革拷锟斤拷锟�

锟斤拷锟斤拷一锟斤拷学锟斤拷说锟斤拷一锟斤拷锟斤拷锟斤拷谁锟斤拷锟街讹拷锟街匡拷锟剿碉拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷谁锟酵猴拷锟斤拷锟斤拷同学锟斤拷为锟斤拷锟斤拷锟窖★拷

锟斤拷锟斤拷锟侥★拷锟杰结反思锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷诳锟斤拷锟斤拷锟斤拷锟绞裁达拷栈瘢炕锟斤拷锟绞裁达拷锟斤拷剩锟�

锟斤拷锟斤拷锟藉、锟斤拷锟斤拷锟斤拷业锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷学锟斤拷思锟斤拷

锟斤拷锟斤拷锟斤拷锟节匡拷一锟斤拷始锟斤拷锟借“锟斤拷学锟斤拷锟斤拷锟斤拷锟窖★拷锟斤拷锟介境锟斤拷通锟斤拷锟剿活动锟斤拷锟斤拷学锟斤拷锟斤拷锟解“锟斤拷为锟斤拷锟侥猴拷锟藉，锟接讹拷为锟斤拷锟斤拷锟斤拷知扫锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较帮拷锟斤拷锟斤拷锟节匡拷锟叫讹拷锟角匡拷锟斤拷锟斤拷锟斤拷准确锟皆ｏ拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟剿的斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟截★拷锟斤拷锟斤拷锟斤拷锟截憋拷锟斤拷锟皆硷拷锟斤拷思锟斤拷锟斤拷锟教ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴★拷

锟斤拷锟斤拷锟斤拷锟节匡拷锟揭诧拷锟斤拷锟剿凤拷锟斤拷式锟斤拷学锟斤拷锟斤拷锟斤拷师只锟斤拷通锟斤拷锟斤拷织锟竭ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷叩锟斤拷锟斤拷荩锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷锟斤拷锟斤拷氲斤拷锟斤拷锟窖帮拷锟斤拷锟斤拷锟饺ワ拷锟斤拷锟窖э拷锟斤拷约锟斤拷锟街帮拷锟斤拷希锟斤拷锟窖э拷锟斤拷峁╋拷锟斤拷值锟剿嘉拷占洌拷锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷锟斤拷锟斤拷裕锟斤拷锟斤拷锟窖э拷锟斤拷锟教斤拷锟斤拷锟街拷蟹锟斤拷锟斤拷螅锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷晒锟斤拷锟斤拷锟狡斤拷瓤锟斤拷莸锟教拷龋锟斤拷锟斤拷锟窖э拷锟斤拷锟教斤拷锟斤拷锟斤拷椤ｏ拷乇锟斤拷锟斤拷锟教斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟绞憋拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷约锟饺ヌ斤拷锟斤拷锟饺ワ拷鄄欤ワ拷锟斤拷桑锟饺ワ拷芙帷ｏ拷嘶锟斤拷诘锟斤拷锟狡ｏ拷锟斤拷为锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷细锟桔诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥伙拷锟斤拷锟较ｏ拷细锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥革拷锟轿伙拷霉锟较碉拷锟斤拷锟斤拷苑锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷为学习锟斤拷锟斤拷锟剿ｏ拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷学锟斤拷锟皆硷拷锟斤拷没锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷路锟斤拷郑锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷亟锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学习锟斤拷锟斤拷学锟斤拷展锟斤拷锟桔察、锟饺较★拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴等斤拷学锟筋动锟斤拷为锟剿革拷锟矫碉拷指锟斤拷学锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟绞斤拷锟街拷锟窖э拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟皆凤拷锟街ｏ拷锟斤拷锟介到锟斤拷锟斤拷墓锟斤拷蹋锟斤拷锟揭伙拷锟斤拷锟揭诧拷锟斤拷锟斤拷锟角垦э拷锟斤拷暮锟斤拷锟斤拷锟绞讹拷锟斤拷锟窖э拷锟斤拷锟叫★拷榻伙拷锟斤拷锟饺拷嘟伙拷锟斤拷锟斤拷锟斤拷校锟斤拷嗷パ帮拷锟斤拷嗷ワ拷锟斤拷锟斤拷锟斤拷锟斤拷啥浴锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞讹拷锟斤拷锟绞憋拷锟斤拷锟酵э拷锟斤拷锟斤拷锟斤拷欧锟斤拷锟斤拷腔鄣幕鸹ā锟斤拷锟斤拷页锟街碉拷锟斤拷学锟斤拷锟斤拷学习锟斤拷锟斤拷锟皆ｏ拷锟斤拷学锟斤拷锟结供锟斤拷锟斤拷拇锟斤拷锟斤拷锟窖э拷疃拷幕锟斤拷幔拷锟斤拷锟窖э拷锟斤拷锟斤拷锟叫★拷锟斤拷锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷知锟斤拷锟斤拷锟解并锟斤拷锟秸碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷蠓ǎ锟斤拷锟斤拷锟窖э拷锟斤拷锟教斤拷锟斤拷锟斤拷锟斤拷锟教斤拷锟斤拷锟绞讹拷锟�

锟斤拷锟斤拷锟节课猴拷墓锟斤拷锟斤拷锟较帮拷校锟斤拷锟斤拷锟斤拷锟剿★拷锟斤拷锟斤拷小锟斤拷锟劫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟秸★拷锟斤拷锟斤拷锟斤拷戏锟斤拷锟斤拷锟斤拷锟窖★拷锟斤拷锟斤拷锟酵ｏ拷通锟斤拷锟斤拷些锟斤拷锟轿碉拷锟斤拷习锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷跃思维锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷胁锟斤拷锟斤拷锟斤拷戏锟斤拷习锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷学习锟侥伙拷锟斤拷锟皆猴拷锟斤拷锟斤拷锟皆ｏ拷锟劫次硷拷锟斤拷思维锟竭筹拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷玫锟斤拷锟斤拷锟斤拷锟介。

锟斤拷锟斤拷锟斤拷锟斤拷锟饺拷蔚锟叫★拷锟斤拷锟斤拷俅锟斤拷锟斤拷锟斤拷锟解，锟杰结反思锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷知识锟斤拷锟斤拷思锟皆硷拷锟斤拷学习锟斤拷锟教ｏ拷锟斤拷锟窖帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学学习锟侥撅拷锟介。