1、 x27x4y 9xxy2 xy2 1 12m3n 2m3nn1 2 n 7n n n2 n2 n2 4 46c2d2 4cd 4x4 (4x4)2 a 3 a2b2 abx5 x53x5y 5yx3y2 x3y2 1 33y n 3y nb9 8 m 8m m m2 m2 m29c2d2 8cd2 4m m 6m2 (6m2)2 b 6 x2b2 xbx2 x79x8y 4yxy xy3p3b 3p3bm8 6 m m 6b b b b2 b2 b2 4 34cd 6cd 4n3 (4n3)2 x 2 x2y2 xy mm2 m1 x8y 8yx2y3 x2y3 4 2 y n y na7
2、5 a a 6y 8y 8y y4 y4 y43cd 6cd 8n 9n 4n3 (4n3)2 x2y2 xy m2m3 m3 x2y 2x 3 52x q 2x qn5 4 9n 8n n n3 n3 n36cd2 2cd n 6n 2n7 (2n7)2 m 6 m2n2 mna9 a7 x y 9xx2y x2y3m q 3m qn9 1 6b b 8b b1 b1 b15cd2 4c2d 9x 9x 4x3 (4x3)2 b 5 x2x2 x7y 5xx2y3 x2y3 x3q x3qx6 3 x x b b 5b b3 b3 b3 1 24c2d2 9cd 2m m 6m5 (6m5)
3、2x9 x4 x2y 7y 2 12m2a 2m2ay6 8 x 6x x x7 x7 x77cd 8cd2 b 6b 3b1 (3b1)2 a 2 a2n2 ana1 x3y 8yx3y x3y3m n 3m ny4 1 y y y y9 y9 y9 3 19cd2 6cd2 6n3 (6n3)2 y 2 m2y2 mym9 m46x y 6x3p n 3p ny6 1 5b b b b4 b4 b46c2d2 4c2d2 2n2 (2n2)2 n 4 m2n2 mna4 a5 x6y 2xx3y3 x3y3 1 42x2a 2x2an2 1 m 6m 9m m8 m8 m88cd2 5c2
4、d 7b b 4b6 (4b6)2a3 a29x4y 5xa1 6 x x 7x x2 x2 x2 2 47c2d 3c2d 6x x 2x8 (2x8)2x8 x y 7xxy3 xy3 y b y by1 5 2m 8m m m3 m3 m3 4 19cd 3c2d 2x7 (2x7)2 y 5x1 x34x y 3y 1 5 x b x by5 8 7b b b b7 b7 b79cd 7c2d 6y9 (6y9)2m22x9y 7x2y b 2y ba1 9 m 4m 4m m5 m5 m52cd 8cd 7y 8y 2y4 (2y4)2 b 2 x2b2 xb x9y 7x2x3n
5、2x3nn8 4 b 7b 8b b7 b7 b78cd2 5cd 7y y 3y4 (3y4)2 m 2 m2b2 mba1 a4 x y 5xx3y3 x3y3 p n p nm3 2 x x x x3 x3 x32c2d2 3cd 6n3 (6n3)2 m 5m6 x y 6yx2y x2y3p2a 3p2an6 6 8y 3y y y3 y3 y32c2d 8cd x 8x 3x3 (3x3)2 a1 x y 3x 5 42y q 2y qb6 7 9x 2x x x1 x1 x18cd 4c2d2 4b5 (4b5)2 y 3 x y 2y x3a x3aa5 9 2m 3m 3m8
6、c2d 5cd 3x 5x 6x3 (6x3)2 a2n2 anx6 x8y 6yx2y2 x2y2 p3b p3ba1 6 n n n n4 n4 n43c2d2 4c2d n 5n 6n8 (6n8)2 a2b2 ab a2a6 a87x y 7xxy2 xy22x a 2x ay2 2 m 2m m8cd2 5c2d2 3a3 (3a3)2x34x y 6y y2a y2ab4 1 6b b 4b3cd 8c2d n 8n 6n1 (6n1)2 b 4x6 x y 5yx3y2 x3y23p3q 3p3qn8 7 8b b 2b b9 b9 b9 3 48c2d 8c2d2 x 9xa8
7、2x8y 6y2m3a 2m3an3 6 b b 9b6cd 7cd2 7m 2m 3m2 (3m2)2 n 5m7 m98x y 7y y3a y3ax7 6 a a 8a a7 a7 a79cd2 5cd2 m 8m 3m3 (3m3)2 x 6x9 x3y 4x p b p bn6 7 8n n n9c2d2 2c2d 2a8 (2a8)2 n 1 x2n2 xna8 x y 9y x8 x8 x82cd 5c2d m 2m 5m2 (5m2)2a46x y 5ya7 7 4b 6b 2b b8 b8 b83c2d2 9cd y 6y 5y5 (5y5)2 x 3m63x5y 6x2y3
8、a 2y3ab3 4 b 9b 8b b5 b5 b53cd 4cd2 2x4 (2x4)2 m 4a5 x y 4x3y2a 3y2ax6 1 9a a 8a a1 a1 a17c2d2 2c2d m 5m 6m5 (6m5)26x3y 3x 2 52x2q 2x2qa4 1 m 8m 3m m4 m4 m42cd2 3cd2 4b1 (4b1)25x8y 9x 3 2 x2q x2qm5 2 3y y 6y6cd 5cd2x3 x66x y 4x 5 3 y3n y3nn9 5 y8 y8 y83cd2 9c2d2 9a 3a 6a5 (6a5)2a87x y 4y x q x qx1 1 x x 6x x7 x7 x79cd 9cd 2n5 (2n5)2 n 6x2 x y 3y 4 5 x n x ny9 2 3m m m m3 m3 m38c2d 6cd 5n n m2b2 mbx6 x96x8y 7yx3y x3y3x b 3x bx2 2 b b b b9 b9 b9 5a3 (5a3)2x1 y3b y3bx8 3 a 4a a a6 a6 a64cd2 3c2d2 6a4 (6a4)2m9 m6
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