150道化简求值题
1．3ab4ab8ab7abab______27x5x5yy______323a3bc215ab2c8abc24a3bc28abc______47x26x13x24x5x2______52y2y53y2______
1
f62x23xy4y2x22xy3y2______72a3a2b23a4b1______86x27x215x22x2______92xx3yxyxy______102x2y3x2xy______1151x1x1______
2
f124xy7x2y210x2xy134xy22x2yx32x2y4xy2y314已知Ax32x2x4B2x35x3计算AB______15已知Ax32x2x4B2x35x3计算AB______16若a02b05代数式a2bab2的值为______17一个多项式减去3m4m32m5得2m43m32m21那么这个多项式等于______
3
f182x2y22y2x22xy______19若3a3b2与5ax1by2是同类项则x______y______20y63y4y32y23y3y47______21化简代数式4x27x25x312xx2的结果是______222ab2cd32ad32ad3c313a2a3b3a2bb______
4
f23化简代数式xy2xxy等于______245a2a7a24aa22a1253xy2xy______26化简1xyxy其中x0y0等于______27已知x≤yxyxy______28已知x0y0化简xy5xy______
5
f294a2
a
3a
2a2
______30若一个多项式加上3x2y2x23xy4得2x2y3xy2x22xy则这个多项式为______315xmxm7xm3xm______32当a1b2时abcbca______33当a1b1c1时b25a3b5c______
6
f3423xz6x5y3z______355a
a
17a
13a
______363a2a4b6c32c2b______389a27a22aa23a______39当2yx5时5x2y23x2y100______4022a22ab3a24abb2），其中a2，b1
7
f4114（ab）26ab34ab26ab425（ab）23ab27abab27ab4312a214b32a234ba2445yx24xy22xy6x2y2xy54516m2540m34m4642x2xx
8
f474a8a6a3a2b488a4a2492
32
32
3507x5x5yy513a4b4a3b527a3b4a5b3
9
f533ab4ab8ab7abab54xy2xy5516m2540m34m5642x2xx574a8a6a3a2b588a4a2
10
f592
32
32
3607x5x5yy613a4b4a3b627a3b4a5b3633ab4ab8ab7abab64xy2xy
11
f64xy2xxy653ab4ab8ab7abab667x5x5yy6723a3bc215ab2c8abc24a3bc28abc687x26x13x24x5x2692y2y53y2
12
f702x23xy4y2x22xy3y2712a3a2b23a4b1726x27x215x22x2732xx3yxyxy742x2y3x2xy7551x1x1
13
f7610x2xy．78x32x2y4xy2y3．794x27x25x312xx28022a2ab3a4abb），其中a2，b18114（ab）6ab34ab6ab825（ab）3ab7abab7ab
14
f8312a14b32a34ba845yx4xy2xy6xy2xy58516m2540m34m8642x2xx874a8a6a3a2b888a4a2
15
f892
32
32
3907x5x5yy913a4b4a3b927a3b4a5b3933ab4ab8ab7abab9r