1、 1 1(8k34k27)(4k32k21k) (6m22m2)(7m n9) (8x23x1)9(9x2 x) 2(x23)5(x28) (x2y6xy5)8(x2y3xy8) 5 1(x218x18y)(x216x17y) 4 4(5k3 k22)(6k34k29k) 6 2(5m27m8)(9m5n4) (6x2 x5)5(9x29x) 5(x25)8(x22) (x2y7xy6)3(x2y7xy2) 3 1(x223x13y)(x215x28y) (3k37k28)(4k32k26k) 2 4(4m2 m1)(5m7n4) (3x23x3)6(3x23x) 3(x28)5(x22) (
2、x2y7xy6)3(x2y3xy8) 1 7(x213x19y)(x212x14y) 8 8(3k37k29)(5k3 k23k) (6m22m6)(2m6n8) (5x24x2)8(7x28x) 8(x23)5(x28) (x2y3xy2)4(x2y4xy6) 5 5(x221x17y)(x220x11y) (2k33k25)(2k39k22k) 6 3(4m22m7)( m3n3) (6x26x1)9( x22x) 4(x27)8(x21) (x2y7xy6)8(x2y9xy5) 1 6(x216x10y)(x216x13y) (7k32k26)(3k36k25k) 2 5(2m27m8)(3m8n3) (2x28x3)7(7x22x) 7(x26)6(x22) (x2y8xy4)3(x2y4xy3) (x213x12y)(x220x20y) ( k33k24)(4k34k26k) 2 3(6m25m5)(7m5n9) (2x26x1)4( x26x) 4(x24)8(x25) (x2y3xy3)4(x2y8xy7) 1 9(x230x19y)(x217x23y) (4k36k21)(2k3 k23k)