1、(8y6x3z2)(4y3x2z2)(7m24m6)(5m6n5)(4x26x7)6( x24x)6(x23)9(x27)(x2y9xy4)7(x2y4xy5) 3 1(x223x12y)(x220x26y) 4 4 1 1(7k36k25)(7k3 k27k) 4 4( k28k)( k29k6)(8a26a2b)(5a25a b)6x2(3x22x8)(9x2)4y2(3x2y)(5x26y2) 5(6x25xyx)(5x28xy3x) 4 1 1(xy y25)(x2xy4y29) 3 6 4 1(xyy)(xyx9) 5 5(3y4x9z2)( y8x7z2)(5m26m8)(7m n
2、4)(7x25x8)8(8x24x)2(x26)6(x22)(x2y9xy7)4(x2y9xy2) 6 6(x217x19y)(x215x16y) 7 7 1 1( k32k24)(7k34k27k) 2 4(7k25k)(3k2 k5)(4a25a3b)(7a29a5b) x2(8x24x7)(2x2)2y2(4x2y)(5x23y2) 4(4x24xyx)(7x23xy5x) 3 9 1(xy3y29)(x2xy2y28) 8 6 4 1(xyy)(xyx5) 3 6(2y6x9z2)(6y8x5z2)(7m27m6)(2m7n6)( x25x8)4( x29x)6(x21)4(x24)(x2y8xy7)3(x2y2xy4) 5 3(x225x12y)(x215x24y) 4 4 1 1(3k32k28)(3k34k26k) 4 3(4k2 k)(4k26k5)(7a26a2b)(9a26a3b)7x2(7x24x6)(4x1)5y2( x2y)(3x27y2) 1(8x2 xyx)(8x24xy4x) 8 6 1(xy y22)(x2xy3y29) 7 3 8 5(xyy)(xyx2) 7 6( y3x9z2)(9y8x6z2)(8m27m9)(6m4n3)(3x22x5)8(4x26x)
