1、(8y3x3z2)(5y3x7z2) (7k24k)( k29k3) (4a28a9b)(5a24a b) 3x2(8x28x5)(9x6) 9y2(9x2y)(2x23y2) 4(9x29xyx)(6x26xy5x) 3 2 7(xy7y22)(x2xy3y29) 3 8 1 5(xyy)(xyx6) 4 6(8y3x z2)(8y6x5z2) ( k22k)(5k25k5) ( a27a8b)(5a26a3b) 6x2(4x22x7)(7x9) 9y2(3x2y)(6x29y2) ( x28xyx)(4x22xy4x) 7 7(xy y24)(x2xy5y24) 8 8 2 7(xyy)(
2、xyx6) 3 6(4y3x5z2)(4y x7z2) (2k29k)(9k28k3) (3a29a3b)(5a27a6b) x2(3x29x5)(4x7) 8y2(6x2y)(2x28y2) (5x25xyx)(8x25xy3x) 4 6(xy2y29)(x2xy4y27) 3 7 4 7(xyy)(xyx9) 3 8(6y4x z2)(6y3x5z2) (5k29k)( k26k2) (4a28a4b)(2a25a8b) 2x2(4x2 x9)(3x4) 3y2(8x2y)(6x29y2) (6x26xyx)(7x25xy7x) 5 4 1(xy5y27)(x2xy2y22) 3 3 7
3、1(xyy)(xyx9) 6 5( y7x2z2)(6y9x6z2) (7k24k)(8k25k3) (9a29a2b)(9a22a b) 9x2( x23x2)(6x6) 3y2(9x2y)(8x23y2) (7x29xyx)( x26xy x) 1 5(xy2y29)(x2xy8y27) 1 4(xyy)(xyx4) 3 5(9y2x3z2)(2y x5z2) (2k27k)(9k23k2) (5a26a2b)(7a22a8b) 4x2(3x2 x4)(3x9) 5y2(5x2y)(4x23y2) (8x2 xyx)(6x2 xy5x) 1 3(xy5y24)(x2xy3y28) 3 4
4、1 8(xyy)(xyx9) 8 7(9y6x5z2)(9y4x5z2) (9k27k)(2k2 k2) (4a27a6b)(7a24a8b) x2(8x24x3)(9x3) 6y2(8x2y)(2x23y2) (6x24xyx)(4x27xy9x) 7 4(xy6y27)(x2xy2y28) (xyy)(xyx9) 7 3(5y x8z2)(7y4x2z2) (2k2 k)(2k28k7) (8a24a9b)( a23a6b) 8x2(2x26x6)(8x5) 3y2(8x2y)( x23y2) 2(9x28xyx)(3x29xy2x) 1 6(xy3y26)(x2xy5y22) 1 1(x
5、yy)(xyx5) 6 3(3y2x z2)(4y5x4z2) (8k22k)(8k29k2) (6a23a7b)(7a29a2b) 9x2(6x26x8)(3x4) 9y2(4x2y)(2x22y2) (9x2 xyx)( x29xy2x) 1 1(xy5y25)(x2xy9y25) 4 4(xyy)(xyx7) 5 5( y2x6z2)(6y7x2z2) (7k29k)(3k23k8) (4a22a5b)(5a27a2b) 5x2(2x23x9)(5x4) y2(6x2y)(8x28y2) 9(3x22xyx)(9x24xy8x) 8 6 1(xy7y26)(x2xy y25) 6 7(xyy)(xyx3) 5 6(5y6x9z2)(6y7x9z2) (8k28k)(3k29k1) (5a27a8b)(9a26a6b) 4x2(9x22x1)(7x5) 6y2( x2y)(9x2 y2) (3x27xyx)(5x27xy3x) 1 9(xy2y24)(x2xy6y21) 7 5(xyy)(xyx6) 6 6(5y2x4z2)( y8x2z2) (8k25k)(3k28k1) (7a28a7b)(4a22a9b) 6x2(2x23x7)(6x1) 2y2(5x2y)(7x28y2)
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