1、 3 3(7y6x9z2)(6y3x4z2) (6k25k)(6k27k6) (9a26a b)(7a24a9b) 8x2(7x27x7)(6x8) 7y2( x2y)(5x26y2) 2(4x2 xyx)(5x26xy4x) 1 7(xy2y27)(x2xy6y24) 3 2(xyy)(xyx5) 4 3( y x z2)(3y8x5z2) (7k23k)(6k24k3) ( a29a7b)( a2 a b) 8x2(6x22x9)(6x7) 4y2(2x2y)(8x22y2) 7(3x25xyx)(3x24xy8x) 6 7 1(xy6y25)(x2xy8y23) 6 3 1 1(xyy)
2、(xyx9) 5 4(8y2x8z2)(7y4x7z2) (5k22k)( k23k4) (6a29a2b)(9a28a3b) 8x2(9x22x3)(9x5) 2y2( x2y)(9x27y2) 1(9x25xyx)(4x23xy x) 1 9(xy7y23)(x2xy5y28) 8 8 1 7(xyy)(xyx6) 4 8(7y3x5z2)(7y7x7z2) (4k28k)(9k24k1) ( a2 a2b)(4a27a5b) x2(5x29x5)(9x8) 8y2( x2y)(4x27y2) ( x22xyx)(3x2 xy3x) 1 1(xy7y27)(x2xy9y21) 5 8(xy
3、y)(xyx7) 6 7(6y5x z2)(4y x4z2) (5k2 k)(5k2 k1) (3a23a7b)(8a26a6b) 8x2(8x24x9)( x3) 2y2(8x2y)(7x25y2) 5(4x28xyx)(6x28xy2x) 1 8(xy y21)(x2xy6y29) 9 1(xyy)(xyx1) 8 7(9y3x z2)(4y2x9z2) (7k25k)( k22k6) (3a24a3b)(7a25a6b) 5x2(7x2 x2)(7x6) 9y2(5x2y)(8x22y2) (2x26xyx)(4x25xy8x) 6 6(xy y23)(x2xy3y24) 7 7(xyy
4、)(xyx3) (9y3x3z2)(7y6x z2) (3k27k)(9k29k8) (7a24a3b)(7a29a5b) 4x2(2x24x2)(4x2) 8y2(2x2y)(7x2 y2) (7x25xyx)(3x2 xy3x) 1 5(xy y21)(x2xy2y21) 3 6 1 8(xyy)(xyx9) 5 7(2y5x7z2)(5y3x8z2) (4k25k)(5k24k4) ( a23a b)(6a27a8b) 3x2(6x28x9)(6x4) 7y2(7x2y)(9x24y2) (8x29xyx)(6x2 xy7x) (xy7y25)(x2xy y26) 8 3(xyy)(xy
5、x7) 7 4( y9x8z2)(6y9x4z2) (4k27k)(3k29k7) (4a28a6b)(8a2 a8b) 2x2(6x29x4)(9x3) y2(9x2y)(3x24y2) (6x26xyx)(7x28xy5x) 8 9 6(xy9y28)(x2xy9y26) 8 7(xyy)(xyx1) 5 3(8y6x6z2)(3y4x9z2) (6k26k)(3k29k8) (7a23a9b)(5a28a9b) 6x2(4x25x8)(8x8) y2(5x2y)(5x22y2) (4x23xyx)(3x23xy2x) 4 1(xy9y22)(x2xy2y22) 5 8 1 4(xyy)(xyx5) (3y x8z2)(7y8x6z2) (2k26k)(7k25k7) (7a26a6b)(9a28a b) 7x2(9x29x3)(6x3) 6y2(2x2y)(5x25y2) (9x25xyx)(3x2 xy7x) 7 4(xy3y21)(x2xy9y29) 6 5 6 1(xyy)(xyx6) ( y7x z2)(5y9x3z2) (2k24k)(9k27k6) ( a23a7b)(9a22a4b) 9x2( x27x7)(4x2) 2y2(4x2y)(5x25y2)
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