1、 5 6(3y6x7z2)(3y x3z2) (8k28k)(9k29k7) (9a28a b)( a2 a2b) 5x2(6x24x7)(7x9) 3y2( x2y)( x23y2) ( x24xyx)(8x28xy x) 8 9 1(xy5y26)(x2xy9y28) 8 4 5 4(xyy)(xyx6) 4 3(6y8x z2)(8y5x z2) (4k27k)( k22k4) (5a27a5b)(2a2 a9b) 6x2(9x27x4)(6x7) 9y2(5x2y)(7x2 y2) 2(5x29xyx)( x27xy9x) 3 6 1(xy3y22)(x2xy5y29) 7 6 1 4
2、(xyy)(xyx7) 5 5(6y8x3z2)(5y4x3z2) (4k23k)(3k28k5) (8a27a4b)( a28a2b) 3x2(2x27x5)(6x6) 6y2(5x2y)(8x28y2) 6(6x22xyx)(6x24xy5x) 7 1 2(xy7y26)(x2xy3y21) 8 3 1 3(xyy)(xyx4) (8y9x9z2)(3y7x z2) (6k22k)(8k28k6) (8a28a8b)(9a26a8b) 9x2(3x25x7)( x8) 3y2(7x2y)(3x29y2) (7x23xyx)(7x26xy4x) 1 5(xy y22)(x2xy3y26) 5
3、 1(xyy)(xyx5) 6 4(6y9x2z2)(4y7x9z2) (8k29k)(5k24k2) (8a26a6b)(8a23a b) x2( x28x2)(3x8) 8y2( x2y)(3x26y2) (9x23xyx)(8x23xy x) 5 1(xy4y26)(x2xy3y24) 4 3 9 1(xyy)(xyx3) 8 7(9y4x4z2)(8y8x z2) (2k25k)(2k23k6) (5a23a5b)(7a24a8b) 9x2( x24x5)(8x1) 3y2(6x2y)(8x2 y2) (2x2 xyx)(3x2 xy x) 3 1(xy y26)(x2xy8y22)
4、4 8(xyy)(xyx1) 4 6(8y9x3z2)(4y x5z2) (5k22k)(5k2 k4) (7a27a2b)(9a24a3b) 8x2(6x25x2)(2x8) 8y2(6x2y)(8x22y2) (5x24xyx)(6x24xy8x) 7 9(xy3y29)(x2xy6y21) 6 8 7 2(xyy)(xyx1) 8 3( y4x4z2)(2y8x9z2) (6k29k)(4k26k3) (3a28a8b)(3a28a4b) 5x2(7x25x6)( x4) 5y2(2x2y)(5x23y2) (8x28xyx)(8x29xy4x) (xy y27)(x2xy y22) 8
5、 6(xyy)(xyx3) 4 5(4y2x2z2)(6y2x6z2) (2k27k)(2k25k7) (2a2 a2b)(5a2 a b) 9x2(7x29x6)(7x4) 6y2(2x2y)(4x26y2) (3x22xyx)(6x28xy2x) 2 1(xy9y27)(x2xy5y22) 3 8 6 1(xyy)(xyx6) (6y7x4z2)(8y8x z2) (9k28k)(3k29k7) (7a24a3b)(8a27a b) 8x2(6x28x5)( x9) 2y2(6x2y)(6x29y2) (6x29xyx)(3x25xy9x) 5(xy4y26)(x2xy5y22) 5 7 1 5(xyy)(xyx5) 3 4(2y2x9z2)(4y8x4z2) (6k25k)(3k24k8) (4a27a4b)(8a22a2b) 5x2(8x23x8)(5x6) y2( x2y)(5x2 y2) (4x27xyx)(9x24xy4x) 4 1(xy7y21)(x2xy2y28) 5 4 1 1(xyy)(xyx4) (3y5x5z2)( y9x8z2) (5k27k)(9k23k5) (6a22a6b)(7a22a7b) 3x2(5x26x1)(7x7) 6y2(4x2y)(6x27y2)
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