1、 6 6 1 1(3k32k27)(2k3 k29k) 2 2(2k27k)(6k27k8) (9a23a3b)(5a28a9b) 3x2(5x24x6)(9x2) y2(2x2y)( x28y2) 5(5x22xyx)(9x24xy9x) 4 2 1(xy7y22)(x2xy3y28) 3 8 5 5(xyy)(xyx9) 6 6(6y2x2z2)(3y5x6z2) (9m26m7)(6m6n6) (7x22x6)4(4x23x) 6(x23)7(x21) (x2y6xy6)3(x2y9xy7) 4 4(x220x15y)(x213x14y) 3 3(4k3 k25)(7k39k25k) 4
2、 5(7k22k)( k29k1) ( a26a2b)(3a23a9b) 4x2(5x22x4)(3x3) y2(5x2y)(9x29y2) 9( x29xyx)(4x29xy7x) 8 1 8(xy3y21)(x2xy3y27) 5 7 4 1(xyy)(xyx8) 3 7(3y7x4z2)(9y8x2z2) ( m26m3)(9m9n4) (8x28x7)2( x24x) 4(x27)8(x26) (x2y3xy6)9(x2y4xy6) 7 7(x214x16y)(x213x19y) 8 8(5k36k28)(9k32k25k) (6k22k)( k23k6) (7a28a6b)(9a28a4b) 5x2(2x25x4)(9x8) 5y2(6x2y)(4x25y2) 1(4x29xyx)(2x27xy4x) 6 5 1(xy4y27)(x2xy5y26) 1 6(xyy)(xyx9) 8 7(6y4x9z2)(3y6x5z2) (2m27m4)(6m6n5) ( x22x7)5(2x26x) 4(x29)5(x29) (x2y4xy5)9(x2y3xy6)