整式的加减练习题.ppt

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1、22224(2)(2)a baba bab2237(43)2xxxx(2)()xyyyyx )522(2)624(22aaaa)3123()21(22122babaa22103abba3352xxxy42 a2344babababa2222134222243258abbaabba)2(2324)(22222babaaabaaba abbaba2453523234322433222422xx yx yxx yyx yba2232232abbaabb2232y22295baba)(2) 1(7323ppppp)43()413(2222baababba(2 )(3 )xyyx22135(3)242a

2、aaa xyxyzyxzxyxyxyz22223314797523ppp222149abbayx34 1292aa422222123xxx22313222xxxx2232369xyxyaababab5232326233(4333)(4)aaaaa 085122xxyx642ab 196 35323aaa2237(43)2xxxx22225(3)2(7)a baba bab22112()822aabaabab222234,1,1x yxyx yxyx yxy 其中)21(3) 13(222222xxxxxx3352xx223abbaabb925251262xx0552xyyx)253(5)52(

3、222xxxx222225533yyxyyxx222243254abbaabba),3123()322(2122yxyxx)(3)(3)22(22222222yyxxyxyx2525142xx2x2232abba23yx22yx 233233543xxxx133211nnnnxxxx babababa322241233222332babbaabba21222222)( 5 . 0)(31)( 2)(babababa763x6451nnxxbaa232)(611ba)(219)(432baba43321xx)41(4)8(2222xyyxxyyx)3(4)2(222xxxx cbbaba4222

4、35526733xyxyxxyxyx125125yx24922xcba22362533xxyxy)23()3(32222caacbacaacba)(2)(2babaa)377()5(322222ababbabaa2),45()54(3223xxxxx其中2246(23)2xxxxca2ba2266baba3422xx714323xx) 15()42(22aaaa)22()(3)2(2222222baabbaabbaab)21(3) 13(222222xxxxxx)674 () 132() 345(323223xxxxxxxxx)(4)()( 3222222yzzyyx3562aabaab22351262xx222523zyx211 1) 1(2222xxxx2222(2)3(2)4(32)abaaabaab)( 3252222baababba)312(65aa12) 1( 32nmm024aabbaab222314 a43 nm