1、中考计算题精选因式分解强烈推荐 28(a3b)2(4ab)28a28a2化简并求值:(mn)2(3mn)(m3n),其中m1,n1化简:(x1)(x1)3(x21)分解因式:9x39x=a3b2a4x312x29x25x225420(xy)25(xy)2416x28x316x28x(a4b)2(3ab)212a224a12化简并求值:3(mn)2(2mn)(mn),其中m2,n3化简:(x2)(x2)2(x23)分解因式:x316x=a2b5a4x320x225x4x24416(xy)16(xy)216x23x36x23x(2a3b)2(4a2b)212a224a12化简并求值:2(mn)2(
2、mn)(m3n),其中m1,n2化简:(x4)(x4)3(x24)分解因式:9x34x=a2b3a9x36x2x3x21924(xy)16(xy)2164x28x316x28x(2a3b)2(4ab)28a216a8化简并求值:2(mn)2(mn)(mn),其中m1,n2化简:(x2)(x2)2(x21)分解因式:x325x=a3b4a16x324x29x8x2448(xy)4(xy)244x23x312x212x(a3b)2(3a2b)22a24a2化简并求值:(mn)2(mn)(m3n),其中m3,n2化简:(x4)(x4)2(x21)分解因式:25x336x=ab7a4x316x216x
3、48x216110(xy)25(xy)249x28x316x28x(a3b)2(4ab)23a26a3化简并求值:(mn)2(mn)(mn),其中m1,n3化简:(x1)(x1)3(x23)分解因式:9x336x=a3ba9x312x24x27x293636(xy)9(xy)21616x212x312x23x(a3b)2(3ab)22a28a8化简并求值:2(mn)2(mn)(m3n),其中m1,n2化简:(x2)(x2)3(x21)分解因式:9x34x=a3b2a9x36x2x8x243648(xy)16(xy)21616x23x36x23x(2a4b)2(3a2b)22a28a8化简并求值
4、:3(mn)2(3mn)(mn),其中m3,n3化简:(x2)(x2)3(x23)分解因式:25x325x=ab3a16x324x29x50x225918(xy)9(xy)249x28x316x28x(a4b)2(4ab)28a216a8化简并求值:(mn)2(mn)(m2n),其中m1,n1化简:(x2)(x2)2(x21)分解因式:9x3x=ab5ax310x225x12x242510(xy)(xy)299x23x36x23x(2a3b)2(3ab)22a24a2化简并求值:3(mn)2(mn)(mn),其中m3,n3化简:(x2)(x2)2(x25)分解因式:16x316x=a3b8ax310x225x2x21168(xy)(xy)2164x28x38x22x(a3b)2(4ab)22a28a8化简并求值:2(mn)2(mn)(m2n),其中m1,n1化简:(x4)(x4)2(x21)分解因式:25x3x=a2b8ax32x2x25x225918(xy)9(xy)216x23x36x23x(2a4b)2(3ab)212a212a3化简并求值:3(mn)2(mn)(m2n),其中m3,n3化简:(x3)(x3)2(x24)分解因式:x316x=