1、中考计算题精选因式分解强烈推荐 51a3b5a4x34x2x4x241616(xy)4(xy)216x212x312x23x(2a4b)2(3ab)28a216a8化简并求值:2(mn)2(3mn)(m2n),其中m2,n2化简:(x3)(x3)2(x21)分解因式:x336x=ab9a16x332x216x16x2161632(xy)16(xy)216x28x316x28x(a4b)2(3a2b)212a224a12化简并求值:4(mn)2(2mn)(m2n),其中m1,n2化简:(x3)(x3)3(x25)分解因式:9x3x=a2ba16x332x216x32x216420(xy)25(x
2、y)2416x212x312x23x(2a3b)2(3ab)22a28a8化简并求值:(mn)2(mn)(mn),其中m2,n1化简:(x1)(x1)2(x21)分解因式:16x39x=a2b9a4x38x24x18x2914(xy)4(xy)2416x22x38x28x(2a4b)2(3ab)23a212a12化简并求值:2(mn)2(2mn)(m2n),其中m3,n1化简:(x1)(x1)2(x24)分解因式:16x3x=ab6a16x340x225x9x29168(xy)(xy)249x23x312x212x(2a3b)2(4ab)212a212a3化简并求值:2(mn)2(mn)(m3
3、n),其中m2,n3化简:(x4)(x4)2(x22)分解因式:4x325x=a3b6a9x312x24x2x213636(xy)9(xy)294x23x312x212x(2a3b)2(3ab)212a224a12化简并求值:4(mn)2(3mn)(m3n),其中m2,n2化简:(x1)(x1)2(x24)分解因式:x34x=a3b2a9x36x2x18x29918(xy)9(xy)2416x212x324x212x(2a4b)2(3a2b)23a26a3化简并求值:2(mn)2(3mn)(m3n),其中m3,n2化简:(x1)(x1)2(x22)分解因式:16x316x=ab3a9x312x
4、24x12x24168(xy)(xy)2416x212x324x212x(2a4b)2(3a2b)23a26a3化简并求值:4(mn)2(3mn)(m3n),其中m2,n3化简:(x4)(x4)2(x23)分解因式:25x34x=a2b2ax34x24x25x2253648(xy)16(xy)216x22x34x22x(a4b)2(3a2b)212a224a12化简并求值:(mn)2(mn)(m2n),其中m1,n2化简:(x1)(x1)3(x21)分解因式:16x34x=a2b3a16x316x24x18x2918(xy)16(xy)2416x22x38x28x(a3b)2(4a2b)212a224a12化简并求值:3(mn)2(2mn)(mn),其中m3,n3化简:(x2)(x2)3(x25)分解因式:16x34x=a3b3a4x312x29x8x2418(xy)16(xy)216x28x38x22x(a3b)2(4a2b)22a28a8化简并求值:2(mn)2(2mn)(m2n),其中m3,n2化简:(x1)(x1)2(x22)分解因式:25x325x=aba16x324x29x16x21696(xy)(xy)249x2