1、中考计算题精选因式分解强烈推荐 183ab8a4x34x2x50x225412(xy)9(xy)294x28x38x22x(a3b)2(3a2b)23a26a3化简并求值:(mn)2(mn)(mn),其中m1,n1化简:(x4)(x4)3(x21)分解因式:9x336x=a2b6a9x36x2xx21416(xy)16(xy)244x23x36x23x(a3b)2(3a2b)22a24a2化简并求值:3(mn)2(3mn)(m3n),其中m2,n2化简:(x4)(x4)3(x24)分解因式:x325x=a2b7a16x332x216x12x24412(xy)9(xy)216x28x38x22x
2、(a3b)2(4a2b)212a212a3化简并求值:4(mn)2(3mn)(m2n),其中m1,n2化简:(x4)(x4)2(x23)分解因式:25x39x=ab9a4x320x225x75x225930(xy)25(xy)2169x23x312x212x(a3b)2(3a2b)212a212a3化简并求值:4(mn)2(3mn)(mn),其中m1,n1化简:(x2)(x2)3(x21)分解因式:16x39x=a3b8a4x312x29x50x2252530(xy)9(xy)2169x212x312x23x(2a3b)2(3a2b)28a28a2化简并求值:(mn)2(mn)(m2n),其中
3、m1,n3化简:(x2)(x2)2(x21)分解因式:9x316x=a2b2a4x312x29x32x216168(xy)(xy)2164x28x38x22x(2a3b)2(3a2b)23a212a12化简并求值:4(mn)2(mn)(mn),其中m1,n3化简:(x3)(x3)3(x24)分解因式:25x325x=a2b2a9x36x2xx213612(xy)(xy)24x28x38x22x(a3b)2(4ab)22a28a8化简并求值:2(mn)2(3mn)(m2n),其中m2,n1化简:(x4)(x4)3(x21)分解因式:x34x=a3b6ax32x2x4x24412(xy)9(xy)
4、299x28x316x28x(2a3b)2(3ab)22a28a8化简并求值:3(mn)2(3mn)(m3n),其中m1,n3化简:(x4)(x4)3(x22)分解因式:x316x=a2b2a4x34x2x2x21416(xy)16(xy)244x23x312x212x(2a4b)2(3a2b)212a224a12化简并求值:(mn)2(2mn)(m3n),其中m1,n1化简:(x3)(x3)3(x21)分解因式:9x3x=a3b2a9x330x225x4x243624(xy)4(xy)2416x22x34x22x(2a3b)2(4a2b)212a212a3化简并求值:3(mn)2(mn)(m3n),其中m1,n2化简:(x1)(x1)2(x21)分解因式:4x316x=a2b2a4x38x24x16x2163612(xy)(xy)29x212x324x212x(2a3b)2(3ab)212a212a3化简并求值:3(mn)2(3mn)(m3n),其中m2,n3化简:(x2)(x2)2(x25)分解因式:x39x=a2b3a9x36x2xx213636(xy)9(xy)24x2