1、(3x2)(8x8) 4a(7a3b) (7x2y)(7x) 5 1 (ab35ab)ab2 2x(2x4)3x(4x4)3x(x3) 4 5 (x5)(x6) (2x2y)(4xy) (3x3y)(x22xyy2) (3x8y)(xy) (a2)2 (a7b)(2a5b) (x24)(x9) (x22x3)(3x1) (x1)(x2) (x3)(x2) (y1)(y1) (y3)(y2) a8a3 24a7b6(8a4b5) (ab)3(ab)2 (10x7y6)(5x3y2) 18x8y86x7y5 (14103)(7102) 6a7b3c45a6b2 (8a2b14a)2a (42a41
2、2a248a)6a (14xy8x3y)2xy (7a)2 (6b)2 (6b)3 (xy5)2(2x4)2 (xy)4 (3104)3 (2ab2)3(109)3 (a5)4 (ym)2 (y4)4(106)9 (x6)6 (ym)3 (a2)8a9xx5 y3y9 c3c3 (5)2(5)4(5)2 x5mx2m+1 x3mx2m+1 ()7()3 b7b b4b3 5 5 5 (1)(1)5(1)3 bb2 bb6 ()9()4()2 x4mx7m-1 yny9n-1 2 2 2 (x2)(8x2) 8a(4a3b) (6x9y)(8x) 3 1 (ab33ab)ab x(x3)2x(4
3、x3)3x(3x3) 4 3 (x6)(4x5) (4xy)(x4y) (3xy)(x22xyy2) (3x3y)(x6y) (a3)2 (a9b)(2a2b) (2x28)(x2) (2x24x1)(3x1) (x1)(x3) (x6)(x4) (y1)(y2) (y1)(y2) x9x8 10a9b4(2a2b2) (xy)4(xy)3 (30x5y7)(6x4y3) 12x7y53x3y3 (54(68a8b8c35a6b5 (28a3b349a)7a (32a640a324a)8a (15x2y21x2y)3xy (10a)2 (5b)2 (2b)3 (xy3)4(6x3)2 (ab)
4、6 (2102)3 (2ab3)2(104)9 (x9)9 (bn)8 (b2)9(107)7 (a2)2 (bn)3 (a3)5a7xx5 z6z4 tt6 (2)(2)9(2)6 xnx3n+1 xmx5m+1 ()8()9 y2y9 a8a4 8 8 8 (7)8(7)9(7)5 y4y4 tt6 ()4 x6mx3m+1 x3mx6m-1 (x2)(2x1) 8a(4a9b) (4x6y)(9x) 2 1 (ab34ab)ab x(x2)4x(x1)3x(x3) 3 2 (x2)(x4) (x8y)(2xy) (3xy)(x23xyy2) (3xy)(xy) (a3)2 (2a6b)(
5、a8b) (x22)(2x5) (3x2x1)(x2) (x3)(x1) (x2)(x2) (y3)(y2) (y1)(y3) b9b3 72a5b7(9a2b6) (xy)3(xy)2 (21x9y4)(3x5y2) 20x9y54x7y3 (18(32a3b6c23a2b5 (56a2b363a)(27a481a381a)9a (56xy16xy2)8xy (2a)3 (4b)2 (5b)2 (xy3)2(5x4)3 (ab)7 (4102)3 (5ab3)2(105)7 (x9)5 (xn)3 (a4)4(105)3 (y2)6 (bn)8 (a7)9a5xx7 aa4 z9z4 (2)5(2)6 x4mx7m+1 x5mx7m-1 ()4 x2x a3a (2)7(2)7 ss5 bb4 ()6()3 x9mx5m-1 y6my8m+1
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