整式乘除（上）

|iiii|iiii|iiii|iiii|iiii|iiii|iiii|llii|iiii|iiii|iiii|iiii|iiii|iiii|iiii|iiii|iiil|iili|ilii|iiii|iiii|iiii|iiii|iiii|iiii|iiii|iiii|liii|iiii|iiii|iili|iiii|liil|iiii|iiii|iili|iill|iiii|iiii|iiil|整式乘除Cxj01234567891011121314151617181920liiHhiiihiiHiiiiliii iiihii111||111111|||||11山山山川|||浦山山巾而山山1111|||m1山《启东作业本》《轻巧夺冠》《年中考年模拟》53《新思维》《培优新方法》《奥数教程》《仁华课本》板块一幕的运算【知识导航】定义形如的整式叫做累，表示根个相乘，其中〃叫做累的底数，加叫做累的指数Qamy=amn abm=amhni d+a〃=am~n【例】1速算比赛力工400组A⑴力•/；⑵*；『；⑶

①“246Z100+a2组30l-x3--x2;⑵--«2；⑶.-4a，；⑷-2xy力3_3孙2C组力,c,x,ywOl4x2y2-8/；暧-»忆〃；292%3〃-23a2/；i Y33Y3-a3b2--ab2;3U

232240.8X/-4X/liiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiihiiiliiiiliiiiliiiihiiiliiiiliiiiliiiil|iiii|iiii|iiii|iiii|iiii|iiii|iiii|llii|iiii|iiii|iiii|iiii|iiii|iiii|iiii|iiii|iiil|iili|ilii|iiii|iiii|iiii|iiii|iiii|iiii|iiii|iiii|liii|iiii|iiii|iili|iiii|liil|iiii|iiii|iili|iill|iiii|iiii|iiil|01234567891011121314151617181920【例】2计算2-22-23-24-25-26-27-28-29+2,0【例】3已知有理数x,y,z满足,一z—2|+3x—6y—72+|3y+3z—4|=0求_%o【例】4隈是位数25238A.32B.34C.36D.38【例】5已知屋优求/〃皿1=2,=3,⑵已知2x+5y—3=0,求4”・

32、【例】6比较四个数的大小【例】7已知4=2002+2001x2002+2001x20022+・・・+2001*20022°°1力=200220°2,比较a与b的大小山山山hwhwhwlwihwhwhn whiiwhwhwhwhwhwhwlw whwlwihwhwhwhwl。