1、中考计算题精选因式分解强烈推荐 4518(xy)16(xy)249x23x312x212x(a4b)2(4ab)212a224a12化简并求值:4(mn)2(mn)(m2n),其中m1,n3化简:(x2)(x2)3(x23)分解因式:25x34x=a3ba16x332x216x25x225912(xy)4(xy)216x212x324x212x(a4b)2(4ab)28a28a2化简并求值:2(mn)2(mn)(m3n),其中m3,n1化简:(x1)(x1)3(x23)分解因式:4x39x=aba9x312x24x9x291624(xy)9(xy)2916x22x38x28x(a4b)2(4a
2、2b)22a24a2化简并求值:(mn)2(3mn)(m2n),其中m1,n3化简:(x2)(x2)3(x24)分解因式:16x316x=a2b5a16x324x29x32x2162540(xy)16(xy)294x28x38x22x(2a4b)2(4a2b)28a28a2化简并求值:3(mn)2(3mn)(m2n),其中m2,n2化简:(x2)(x2)2(x22)分解因式:25x316x=a3b9a9x36x2x9x291616(xy)4(xy)216x28x316x28x(a3b)2(4a2b)22a28a8化简并求值:(mn)2(3mn)(m3n),其中m2,n2化简:(x1)(x1)3
3、(x24)分解因式:4x39x=a2ba4x312x29x2x2112(xy)(xy)24x22x38x28x(a3b)2(4a2b)22a28a8化简并求值:2(mn)2(mn)(m3n),其中m3,n1化简:(x1)(x1)3(x24)分解因式:9x39x=ab4a4x316x216xx2196(xy)(xy)2916x22x34x22x(2a3b)2(3a2b)212a224a12化简并求值:2(mn)2(3mn)(m2n),其中m3,n3化简:(x2)(x2)2(x24)分解因式:x34x=a3b6a4x312x29x9x292520(xy)4(xy)2164x212x324x212x
4、(a3b)2(4a2b)22a28a8化简并求值:3(mn)2(3mn)(m2n),其中m2,n3化简:(x3)(x3)3(x21)分解因式:x316x=a3b7a9x324x216x4x24168(xy)(xy)294x23x36x23x(a4b)2(3a2b)22a28a8化简并求值:3(mn)2(3mn)(m3n),其中m1,n2化简:(x2)(x2)3(x25)分解因式:x336x=a2b4a4x320x225x75x225168(xy)(xy)249x22x34x22x(2a3b)2(4a2b)28a216a8化简并求值:4(mn)2(mn)(m2n),其中m1,n3化简:(x1)(x1)3(x23)分解因式:16x325x=a3b5ax34x24x50x22544(xy)(xy)294x212x312x23x(2a3b)2(3ab)28a28a2化简并求值:4(mn)2(2mn)(mn),其中m1,n3化简:(x2)(x2)2(x21)分解因式:9x325x=aba4x34x2x27x292530(xy)9(xy)2416x28x316x28x(2a3b)2(4a2b)212a224a12