1、4(mn)2(3mn)(m3n),其中m3,n1化简:(x4)(x4)3(x21)分解因式:16x39x=a2b2a9x36x2x27x2912(xy)(xy)299x28x38x22x(a4b)2(4a2b)22a28a8(mn)2(mn)(m2n),其中m3,n3(x2)(x2)2(x23)x325x=a2b6a50x2251632(xy)16(xy)249x212x312x23x(2a3b)2(4a2b)2(mn)2(mn)(m2n),其中m2,n2(x3)(x3)2(x23)16x316x=ab7a16x316x24x12(xy)(xy)22x38x28x(2a4b)2(3ab)212
2、a212a34(mn)2(2mn)(m2n),其中m2,n2(x1)(x1)3(x22)x316x=ab6a4x34x2x32x216924(xy)16(xy)2164x23x312x212x(2a4b)2(3a2b)22a28a82(mn)2(mn)(m2n),其中m1,n1(x2)(x2)3(x21)x38x216x75x2252540(xy)16(xy)212x324x212x(2a4b)2(4a2b)24(mn)2(3mn)(m2n),其中m1,n3(x2)(x2)2(x24)9x336x=a2b9a16x332x216x168(xy)(xy)244x23x312x212x3a26a3
3、3(mn)2(2mn)(mn),其中m3,n3(x1)(x1)2(x21)16x3x=a2b3a9x312x24x9x29918(xy)9(xy)216x2(a3b)2(4a2b)23a212a123(mn)2(3mn)(mn),其中m2,n1(x4)(x4)3(x22)x3x=4x316x216x12x243648(xy)16(xy)2(a3b)2(3a2b)23a212a12(mn)2(2mn)(mn),其中m1,n3(x4)(x4)2(x24)16x336x=ab9ax32x2x412(xy)9(xy)29x22x38x28x(a4b)2(3ab)212a224a12(mn)2(3mn)(m2n),其中m1,n2(x4)(x4)2(x23)a3b7ax34x24x8x24412(xy)9(xy)2(mn)2(mn)(mn),其中m3,n3(x4)(x4)3(x24)x336x=a3b8ax21930(xy)25(xy)2