1、中考计算题精选因式分解强烈推荐 1168(xy)(xy)2169x22x34x22x(2a3b)2(3a2b)28a216a8化简并求值:(mn)2(2mn)(mn),其中m2,n2化简:(x2)(x2)3(x25)分解因式:x39x=a3b7a4x34x2x27x291632(xy)16(xy)244x22x38x28x(2a4b)2(3ab)28a28a2化简并求值:2(mn)2(2mn)(m3n),其中m3,n1化简:(x2)(x2)2(x21)分解因式:16x316x=aba4x34x2x25x2251616(xy)4(xy)249x28x316x28x(2a4b)2(3a2b)23a
2、212a12化简并求值:(mn)2(3mn)(m3n),其中m3,n3化简:(x2)(x2)2(x24)分解因式:x39x=a3b6a4x38x24x75x225912(xy)4(xy)2164x28x38x22x(2a4b)2(4a2b)23a26a3化简并求值:2(mn)2(3mn)(m2n),其中m2,n1化简:(x3)(x3)2(x24)分解因式:9x39x=a3b3a16x324x29x16x216416(xy)16(xy)24x28x38x22x(a3b)2(4a2b)212a212a3化简并求值:2(mn)2(mn)(mn),其中m3,n3化简:(x3)(x3)3(x21)分解因
3、式:4x39x=a2b6a4x38x24x50x2252520(xy)4(xy)294x22x34x22x(a4b)2(4ab)28a28a2化简并求值:2(mn)2(3mn)(m2n),其中m3,n3化简:(x4)(x4)3(x22)分解因式:x3x=a2b2a9x318x29x4x24420(xy)25(xy)294x212x312x23x(2a4b)2(3a2b)23a26a3化简并求值:4(mn)2(mn)(m3n),其中m1,n3化简:(x3)(x3)3(x25)分解因式:4x34x=a2b6a9x330x225x16x216416(xy)16(xy)299x28x316x28x(a
4、4b)2(3a2b)212a224a12化简并求值:2(mn)2(2mn)(m2n),其中m2,n3化简:(x3)(x3)3(x25)分解因式:4x325x=a3b2a9x330x225x9x291640(xy)25(xy)2169x28x316x28x(2a4b)2(3ab)23a26a3化简并求值:4(mn)2(3mn)(m2n),其中m1,n3化简:(x4)(x4)2(x25)分解因式:16x34x=a3b7a9x312x24x18x29420(xy)25(xy)294x22x38x28x(a4b)2(3ab)22a24a2化简并求值:4(mn)2(3mn)(m3n),其中m2,n2化简:(x1)(x1)2(x21)分解因式:9x325x=a3b8a16x38x2xx21412(xy)9(xy)244x22x38x28x(2a3b)2(3ab)28a28a2化简并求值:2(mn)2(3mn)(mn),其中m3,n1化简:(x4)(x4)2(x23)分解因式:x34x=ab2a16x340x225x18x2996(xy)(xy)24x22x34x22x(a3b)2(4ab)212a212a3