1、中考计算题精选因式分解强烈推荐 20316x340x225x32x21618(xy)16(xy)216x22x34x22x(2a4b)2(4ab)212a224a12化简并求值:3(mn)2(3mn)(mn),其中m1,n3化简:(x4)(x4)2(x24)分解因式:25x3x=a3b7a4x312x29x25x2252530(xy)9(xy)294x212x324x212x(2a4b)2(3a2b)212a224a12化简并求值:2(mn)2(2mn)(mn),其中m3,n3化简:(x2)(x2)3(x22)分解因式:9x316x=ab3a16x316x24xx21918(xy)9(xy)2
2、9x22x38x28x(a4b)2(4ab)23a26a3化简并求值:(mn)2(mn)(m3n),其中m3,n2化简:(x3)(x3)3(x23)分解因式:4x3x=a2b5a16x332x216x25x225420(xy)25(xy)2169x212x312x23x(2a4b)2(4ab)28a28a2化简并求值:3(mn)2(mn)(m2n),其中m3,n1化简:(x1)(x1)2(x23)分解因式:16x3x=a2b9a16x332x216x18x29168(xy)(xy)249x28x316x28x(a4b)2(3a2b)23a212a12化简并求值:3(mn)2(mn)(m3n),
3、其中m2,n2化简:(x1)(x1)2(x23)分解因式:4x336x=a3b8a9x324x216x4x24168(xy)(xy)2416x212x324x212x(a4b)2(4a2b)22a24a2化简并求值:3(mn)2(2mn)(m3n),其中m1,n1化简:(x3)(x3)3(x24)分解因式:25x316x=a3b7a9x318x29x25x225924(xy)16(xy)2416x28x38x22x(2a4b)2(4a2b)22a24a2化简并求值:4(mn)2(mn)(m3n),其中m3,n3化简:(x4)(x4)3(x25)分解因式:x316x=a2b9a4x38x24x2
4、7x293636(xy)9(xy)2916x28x316x28x(a3b)2(3a2b)23a26a3化简并求值:4(mn)2(3mn)(m2n),其中m1,n1化简:(x1)(x1)3(x22)分解因式:4x325x=ab3a9x36x2x50x2253624(xy)4(xy)249x22x34x22x(2a3b)2(3ab)23a212a12化简并求值:3(mn)2(mn)(m2n),其中m3,n2化简:(x3)(x3)2(x22)分解因式:4x325x=a2b6a9x318x29x16x2162510(xy)(xy)2916x22x34x22x(a4b)2(4ab)212a224a12化简并求值:(mn)2(2mn)(m3n),其中m2,n2化简:(x1)(x1)2(x25)分解因式:x34x=a3b4a4x34x2x2x211640(xy)25(xy)216x22x34x22x(2a3b)2(3ab)28a216a8化简并求值:(mn)2(3mn)(m2n),其中m1,n3化简:(x3)(x3)3(x22)分解因式:4x336x=a2b7a9x312x24x32x2162530(xy)9(xy)2164x28x316x28x