1、中考计算题精选因式分解强烈推荐 20分解因式:25x325x=a2b7a4x34x2x16x21644(xy)(xy)216x28x38x22x(2a3b)2(3a2b)23a26a3化简并求值:4(mn)2(2mn)(mn),其中m3,n2化简:(x1)(x1)2(x25)分解因式:4x3x=ab3a4x316x216x27x29924(xy)16(xy)2169x212x312x23x(a3b)2(4a2b)28a28a2化简并求值:2(mn)2(2mn)(mn),其中m2,n1化简:(x1)(x1)3(x22)分解因式:25x316x=a2ba4x316x216x9x292540(xy)
2、16(xy)2164x23x36x23x(2a4b)2(4ab)28a28a2化简并求值:(mn)2(2mn)(m2n),其中m3,n3化简:(x1)(x1)2(x25)分解因式:25x34x=ab7a16x332x216x48x216912(xy)4(xy)29x22x34x22x(2a4b)2(3a2b)212a224a12化简并求值:4(mn)2(2mn)(m2n),其中m1,n3化简:(x2)(x2)3(x23)分解因式:x316x=ab5ax310x225x12x2418(xy)16(xy)2916x22x34x22x(a3b)2(4ab)23a212a12化简并求值:2(mn)2(
3、2mn)(m3n),其中m2,n1化简:(x4)(x4)2(x22)分解因式:4x316x=a2b4a4x38x24x2x21912(xy)4(xy)216x28x38x22x(2a4b)2(4a2b)212a212a3化简并求值:3(mn)2(2mn)(mn),其中m1,n2化简:(x3)(x3)2(x23)分解因式:25x336x=ab5a9x318x29x3x211616(xy)4(xy)216x23x312x212x(a4b)2(4ab)23a212a12化简并求值:3(mn)2(2mn)(mn),其中m1,n2化简:(x2)(x2)2(x23)分解因式:25x3x=ab6ax38x2
4、16x8x242530(xy)9(xy)244x212x312x23x(a4b)2(3ab)22a24a2化简并求值:4(mn)2(mn)(m2n),其中m3,n1化简:(x1)(x1)2(x22)分解因式:9x336x=a3b6a4x320x225x3x2148(xy)4(xy)21616x23x36x23x(a4b)2(4a2b)28a28a2化简并求值:4(mn)2(mn)(mn),其中m2,n1化简:(x3)(x3)3(x21)分解因式:9x3x=a2b7a9x324x216x3x21420(xy)25(xy)29x22x34x22x(2a3b)2(3a2b)23a212a12化简并求值:4(mn)2(3mn)(m2n),其中m3,n2化简:(x4)(x4)3(x25)分解因式:16x325x=a3b8a9x36x2x2x212550(xy)25(xy)244x28x316x28x(a4b)2(3a2b)212a212a3化简并求值:(mn)2(mn)(m3n),其中m2,n1化简:(x4)(x4)3(x24)分解因式:25x316x=a2b3ax34x24x3x21912(xy)4(xy)2