1、x3y2 x3y2 3 12x2a 2x2ax3 7 x x b 5b b b8 b8 b8 1 38c2d 8c2d n 4n 4n7 (4n7)2 x 4 x2b2 xb x2x7 x97x y 8xx3y3 x3y3 2 42x3q 2x3qy1 4 y y m 2m 3m m7 m7 m7 4 46c2d2 6cd2 b 7b 3b3 (3b3)2 x 3 x2n2 xn mm9 m2 x5y 4y 2 5 x2b x2bb5 9 b b x 6x 4x x6 x6 x6 3 28c2d2 9cd 3b2 (3b2)2 m2m9 m34x y 7yx3y x3y 2 23y b 3y
2、bx8 3 n n n n9 n9 n96cd 8c2d 3x1 (3x1)2 b 3 a2b2 ab aa7 a1 x y 6yx3y2 x3y2 y3q y3qn2 5 n n 6a a 4a a7 a7 a7 1 14c2d2 3cd 2a 9a 4a3 (4a3)2 m2n2 mnm7 x2y 4xx2y3 x2y3 5 2 p2b p2ba9 6 n 3n 2n n4 n4 n49cd 2c2d2 4x x 5x9 (5x9)2 y 5 a2y2 aym3 m1 x8y 8x 4 33m2a 3m2aa8 4 x 4x x x5 x5 x57cd2 5c2d2 3m m 4m7 (4
3、m7)2 b 6 x2b2 xba8 a69x9y 4y p n p na7 4 5b 2b b7c2d2 6c2d b 8b 5b1 (5b1)2 m 3 m2n2 mnm3 x3y 8yxy3 xy33p n 3p nx8 3 8a a 7a a2 a2 a2 1 45c2d2 4c2d 3y 6y 3y7 (3y7)2 b 5x5 x6 x5y 7xxy2 xy22x2q 2x2qx7 9 x 3x x x1 x1 x19cd 3cd2 n 8n 6n1 (6n1)2 b 1 m2b2 mbm9 m92m3a 2m3an8 7 5a a 8a a4 a4 a4 2 13cd2 5c2d
4、9m m 5m2 (5m2)2 x2n2 xnm5 m72x5y 9y m n m nm9 3 m m 8m m3 m3 m36c2d 8c2d2 2m m 5m1 (5m1)2a8 x6y 2y y2q y2qm3 1 8y y 9y y3 y3 y34c2d2 2cd2 m 3m 5m3 (5m3)2 n 3 a2n2 ana9x3y3 x3y3 1 53x3n 3x3nb2 3 a a 2a8cd 9c2d2 3n 8n 5n4 (5n4)2 m 1a6 a7 x8y 6x y2a y2ab9 4 2a 8a 6a a9 a9 a9 x 8x 4x7 (4x7)2 m2b2 mbm2 x
5、 y 4xx2y x2y y q y qy3 4 7a a 2a a3 a3 a38c2d2 6cd2 3m6 (3m6)2 n 6 a2n2 ana2 a2 x y 9yx2y2 x2y2 5 1 m b m bm7 7 a 3a 5a a6 a6 a68c2d2 2c2d2 9y y 5y3 (5y3)2 y 4 x4 x y 7y m2b m2bx4 4 b 9b b b4 b4 b4 3 45c2d2 9c2d2 x 2x 5x3 (5x3)2 y 1 a2y2 ay a3 x5y 9y 4 5 p2q p2qn8 8 3m 7m m m4 m4 m46cd 5c2d 4b7 (4b7
6、)2 b 2a6 a44x9y 4x 5 5 p q p qx9 2 4x 7x 4x x4 x4 x45cd 6c2d y 9y 3y9 (3y9)2a7 x y 3y m3b m3bx5 1 5y y 8y y5 y5 y59cd 8c2d2 2a 6a 5a2 (5a2)2 m 5a46x y 9y 3 32m3q 2m3qm7 5 m m m9cd2 2c2d2 7x 4x 2x3 (2x3)2x6 x2n x2n 4b 4b 3b b6 b6 b66c2d2 7c2d 5b8 (5b8)2 a 2x22p3a 2p3ax6 7 8x 8x 5x x6 x6 x65c2d2 5cd a
7、 3a 3a6 (3a6)2m46x3y 2y2y a 2y am7 2 3x x 4x x7 x7 x79c2d 4cd2 6m7 (6m7)2a1 x7y 4x2y3b 2y3bm6 2 2m 2m 6m 4 17c2d 9c2d2 b 4m1 m43x y 4y2p n 2p nn5 4 9y y y y4 y4 y46cd2 4c2d 5x 2x 2x8 (2x8)2 x2y2 xy x7y 5y 5 33m q 3m qn2 2 y y y y2 y2 y24cd2 9cd2 8x x 3x4 (3x4)2a22x2y 4ym4 5 x x 9x2cd2 4cd2 8n 2n 3n5
8、 (3n5)2a7 x y 6y3m n 3m nm5 1 4x 2x x8cd2 8c2d 7a 2a 2a6 (2a6)2 x 6a94x8y 9yn8 5 m 6m m m5 m5 m58c2d 4cd2 5n 2n 6n7 (6n7)2a8 x3y 8xx2y2 x2y2 p a p an7 9 9m 6m m m8 m8 m86cd2 4cd2 9n n 4n3 (4n3)29x6y 2y x3a x3ab7 5 3b 5b 7b b7 b7 b76cd 3cd 2n6 (2n6)2 y 6 x2y2 xym4 m87x y 9xy8 7 6n n 9n n3 n3 n37cd2 3cd2 2y y 4y5 (4y5)2 m5 x y 4yn2 9 5x 4x x x8 x8 x8 5m m 4m9 (4m9)2 m6 x y 2x3p a 3p ax2 1 5x 8x x8c2d2 3c2d 2x6 (2x6)2 n 27x6y 2x m3q m3qm9 7 y y 8y y8 y8 y84cd 3c2d2 6a 9a 4a2 (4a2)2 y 2x6 x9y 4xx2y x2y m a m am4 1 4y 9y y y4 y4 y46c2d 8c2d n 3nm8
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