1、(5m24m8)(8m6n5) (2x22x8)2(3x28x) 6(x27)2(x28) (x2y2xy9)6(x2y6xy5) 6 6(x213x11y)(x213x14y) 5 5 1 1(4k36k26)(7k38k28k) 4 5(9k2 k)(5k22k1) (5a29a2b)(3a26a6b) 8x2(6x22x9)(5x4) 6y2(3x2y)(7x26y2) 1(6x29xyx)(5x28xy4x) 6 7(xy y23)(x2xy3y27) 7 6 1 5(xyy)(xyx4) 4 6(7y6x7z2)( y7x4z2) (4m28m8)(4m6n9) (9x25x8)9(
2、3x28x) 9(x23)7(x23) (x2y4xy4)9(x2y9xy2) (x210x10y)(x210x21y) 4 4(8k32k23)( k32k29k) 4 3(4k25k)(2k28k5) (7a24a4b)(6a24a b) 7x2(3x25x7)(3x8) 9y2(8x2y)(2x26y2) (2x29xyx)(9x24xy x) 1 2(xy7y26)(x2xy2y29) 6 3(xyy)(xyx8) (9y4x z2)(3y3x z2) (6m26m3)(7m n5) (9x22x3)3(8x25x) 4(x21)9(x26) (x2y9xy6)9(x2y8xy3) 8
3、 1(x229x12y)(x219x18y) 7 7(8k38k27)(6k3 k21k) 2 2(4k2 k)(9k23k6) (9a28a3b)(2a26a8b) 7x2(7x23x2)( x6) 4y2(3x2y)(8x24y2) (8x27xyx)(4x29xy2x) 9 6(xy7y25)(x2xy4y29) 8 5 1 1(xyy)(xyx4) 7 7(2y5x9z2)( y5x8z2) (5m29m4)(4m2n9) ( x2 x5)9(3x24x) 9(x25)3(x25) (x2y7xy2)6(x2y6xy7) (x227x20y)(x212x27y) (8k34k28)(9
4、k33k29k) (4k29k)( k22k8) (2a27a3b)(7a27a2b) 7x2(8x22x7)(7x4) 7y2( x2y)(7x22y2) (8x29xyx)(3x29xy3x) 7 1 7(xy6y25)(x2xy8y21) 5 6 6 2(xyy)(xyx3) 5 3(2y4x2z2)(7y7x2z2) (3m24m9)(6m9n8) (9x22x5)6( x26x) 7(x27)4(x28) (x2y3xy9)2(x2y4xy9) (x216x11y)(x216x29y) 8 8(8k3 k22)(9k39k25k) (9k27k)(3k22k4) ( a23a4b)(
5、4a26a6b) 6x2(3x29x8)(5x9) 7y2(6x2y)(6x28y2) (5x25xyx)(9x2 xy2x) 9 2(xy6y24)(x2xy3y25) 8 3 1 6(xyy)(xyx9) 8 5(6y6x4z2)(4y8x z2) (5m29m2)(8m7n1) ( x27x1)6(8x29x) 4(x22)6(x26) (x2y2xy9)3(x2y4xy8) 6 1(x215x10y)(x214x22y) (8k36k28)( k36k23k) 2 4(2k25k)(6k2 k3) ( a29a b)(4a28a8b) 3x2(4x2 x1)(7x8) y2(2x2y)(9x25y2) (4x23xyx)(3x23xy9x) (xy7y26)(x2xy4y22) 9 1 8 3(3y x8z2)(7y7x z2) ( m22m4)(7m4n6) (3x26x2)6(2x26x) 9(x27)6(x23) (x2y3xy4)9(x2y2xy4) (x212x15y)(x219x12y) 3 3(3k35k28)(3k38k28k)
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