1、 6 4 1 7 (xyy)(xyx4) 5 6 (8y6x2z2)(4y5x4z2) (9k25k)(7k2 k7) (6a26a8b)(6a24a5b) 4x2(6x28x3)(7x2) 4y2(7x2y)(5x26y2) (8x2 xyx)(5x25xy9x) 6 1 (xy5y28)(x2xy9y21) 5 4 3 1 (xyy)(xyx4) 4 4 ( y x9z2)(7y6x z2) (6k22k)(7k23k7) (3a28a8b)(6a22a9b) 3x2(2x26x7)( x1) 7y2(5x2y)(3x24y2) 6 (6x25xyx)(2x28xy5x) 7 6 3 (x
2、y5y24)(x2xy3y21) 1 5 (xyy)(xyx8) (8y2x4z2)(8y3x3z2) (7k28k)(6k29k8) (5a25a6b)(3a24a8b) x2(5x22x3)(3x2) 8y2(6x2y)(8x26y2) 1 (9x27xyx)(4x2 xy7x) 5 1 (xy9y21)(x2xy6y24) 6 7 9 1 (xyy)(xyx3) 8 5 ( y3x7z2)(7y3x9z2) (8k28k)(7k24k3) (9a23a2b)(6a23a7b) 5x2(4x28x1)(5x8) 3y2(2x2y)(4x2 y2) (5x29xyx)(7x2 xy9x) 5 1 1 (xy y28)(x2xy5y21) 4 6 8 6 (xyy)(xyx8) 7 5 (8y6x6z2)( y4x4z2) (5k24k)(5k2 k4) (3a27a b)(3a2 a3b) x2(3x27x4)(7x8) 7y2(3x2y)(5x26y2) (7x25xyx)(4x27xy9x) 3 4 (xy2y21)(x2xy6y29) 4 3 1 1 (xyy)(xyx4) (4y5x7z2)(7y8x8z2) (7k29k)(5k23k7)