1、 y2(9x2y)(8x27y2) (9x29xyx)(5x26xy9x) 6(xy2y25)(x2xy4y29) 6 5 2 1(xyy)(xyx9) 3 8( y7x z2)( y3x7z2) ( k26k)(6k24k7) (8a22a8b)(7a23a b) 3x2(5x27x8)(8x3) 4y2(8x2y)(5x26y2) 3(4x25xyx)(6x2 xy3x) 4 1 4(xy6y27)(x2xy7y24) 4 5 1 9(xyy)(xyx1) 6 8(9y9x z2)(3y3x7z2) (3k27k)(3k27k6) ( a25a2b)(8a22a6b) 7x2(9x29x5
2、)(6x7) 4y2(3x2y)(3x26y2) (3x26xyx)(4x29xy x) 1 7(xy8y24)(x2xy3y27) 3 6 5 5(xyy)(xyx6) 6 4( y5x8z2)(3y7x8z2) (4k25k)( k26k8) (9a22a b)(4a2 a9b) 2x2(6x28x2)(9x8) 8y2( x2y)( x22y2) 5(5x28xyx)(8x24xy5x) 1 6(xy9y25)(x2xy6y23) 6 7 3 1(xyy)(xyx3) 4 7(2y6x4z2)(6y7x6z2) (8k27k)(5k24k1) (2a2 a b)(2a27a b) 6x2
3、(5x26x7)(9x3) 8y2(9x2y)(3x2 y2) (4x29xyx)(3x25xy3x) 2 1(xy5y28)(x2xy6y22) (xyy)(xyx1) 3 7(5y8x6z2)(8y8x4z2) (9k27k)(7k28k4) (6a2 a5b)(5a24a2b) 7x2(7x23x1)(9x8) 2y2(6x2y)(2x25y2) 9(5x22xyx)( x2 xy3x) 8(xy y26)(x2xy5y24) 8 4 1 1(xyy)(xyx8) 6 5(3y4x2z2)( y4x8z2) ( k28k)(9k24k4) (5a24a8b)(6a26a4b) 5x2(3
4、x26x5)(4x5) 7y2(6x2y)(4x27y2) ( x23xyx)(9x28xy x) 7 9(xy3y21)(x2xy y24) 6 8(xyy)(xyx3) 6 7(3y2x7z2)(8y2x z2) (8k27k)(4k25k6) (4a2 a6b)(6a24a8b) x2(6x25x3)(7x2) 3y2(7x2y)(8x26y2) (8x22xyx)( x28xy9x) (xy4y25)(x2xy5y22) 8 8 1 5(xyy)(xyx1) 5 4(7y7x2z2)( y3x3z2) (2k28k)(6k24k6) (5a28a7b)(7a24a4b) 3x2(7x2
5、4x8)(3x2) 3y2(6x2y)(5x22y2) (2x2 xyx)(2x29xy8x) (xy9y26)(x2xy4y22) 6 4 5 2(xyy)(xyx9) 6 3(9y7x6z2)(9y2x4z2) (4k29k)(9k27k4) (9a28a4b)(5a22a8b) x2(2x29x7)(5x1) y2(2x2y)(9x24y2) ( x29xyx)(2x24xy x) 7 5(xy2y27)(x2xy y24) 6 6 9 6(xyy)(xyx4) 8 7(7y9x2z2)(2y4x8z2) ( k22k)(3k25k9) (6a26a2b)(8a2 a2b) 4x2(3x27x4)(5x5) 7y2(6x2y)(2x27y2) (7x27xyx)(8x29xy9x) (xy7y27)(x2xy6y25) 8 3 9 1(xyy)(xyx7) (6y9x4z2)(3y7x4z2) (4k22k)(2k29k4) (7a2 a b)(6a2 a5b) 5x2(5x22x7)(2x1) 5y2(7x2y)( x28y2) (6x2 xyx)(8x22xy9x) (xy2y22)(x2xy8y23) 3 5 9 9(xyy)(xyx6) 8 8(9y9x4z2)(9y4x3z2)
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