1、七年级数学上册合并同类项专项练习题178 1 1 (xy)(st) 4(7ax)3(n5q) 5 8 (9b1) y8(49b) 5x4(7b6c) (3xb)6(3b4b) 1 (164y)c 7(6c4ab6)8 1 1 (ab)(mn) 2(9ay)5(m6q) 5 6 (3a4) x6(43a) 20a4(3b9t) (4ab)2(2a9a) 1 (162x)t 5(5a2mn5)8 1 1 (yz)(mn) 3(8ax)4(n9q) 9 6 (6x9) y6(62c) 3a8(2y4t) (3ay)3(7x8c) 10 (24y)t 3(3a7mn7)9 1 1 (ab)(mn) 2
2、(7ax)9(n7q) 3 5 (5n2) z7(86a) 17a5(5y2z) (6ay)5(7n2a) 8 (48z)z 9(7c2xy1)7 1 1 (yz)(pq) 3(9ax)6(m7q) 6 5 (9y5) y2(66b) 10a6(8b7z) (5ab)7(7y8b) 2 (42y)z 8(3c3mn2)3 1 1 (bc)(ef) 3(7ay)5(m9q) 9 9 (9b6) y9(67b) 19m4(2n4t) (8mn)4(4b7b) 1 (26y)t 2(4a4xy7)3 1 1 (xy)(ef) 2(7by)6(n6q) 2 7 (8y6) y3(22a) 17x2(2
3、b8z) (2xb)6(9y3a) 8 (42y)z 3(9d5ab7)7 1 1 (xy)(st) 4(8by)6(m8p) 7 9 (7n8) z2(93a) 20m5(3n2t) (6mn)3(3n9a) 1 (810z)t 9(9d9bc8)3 1 1 (ab)(pq) 3(8ay)5(n7p) 8 6 (5y2) y5(74c) 16a2(3n6z) (3an)3(5y2c) 6 (62y)z 8(2d3bc3)7 1 1 (yz)(ef) 3(9ay)2(n4p) 9 6 (5y4) x5(12c) 16a7(6y7c) (4ay)9(6y7c) 1 (182x)c 2(2a7bc
4、9)6 1 1 (ab)(st) 5(7ay)8(m6p) 8 7 (5n6) z8(14b) 9a6(7n3z) (3an)4(6n7b) 1 (46z)z 5(8d7ab4)7 1 1 (ab)(pq) 3(6bx)3(n9p) 8 2 (8n2) x6(42b) 5m8(4n8z) (3mn)4(8n2b) 1 (1810x)z 8(9c9ab3)4 1 1 (ab)(ef) 2(8ay)9(n8p) 3 9 (7x9) z2(73c) 12x7(6b7c) (5xb)2(3x2c) 4 (104z)c 9(3d9bc3)3 1 1 (xy)(ef) 2(7bx)3(n2p) 7 7 (
5、2n6) z7(63a) 19x7(3y7z) (4xy)6(6n4a) 9 (128z)z 2(8b3xy5)8 1 1 (bc)(ef) 4(6bx)8(m7q) 8 4 (6a9) x4(55b) 14m9(7b9z) (5mb)6(3a5b) 7 (810x)z 4(6a6xy2)6 1 1 (bc)(st) 4(8by)8(n8p) 4 6 (8y6) y5(87c) 17x3(4y2z) (2xy)8(3y6c) 1 (124y)z 6(7d8xy3)5 1 1 (bc)(st) 3(9by)2(n5q) 4 4 (8a3) x5(72a) 12m8(5b7c) (9mb)4(7a4a) 5 (206x)c 7(6b4xy6)6 1 1 (yz)(pq) 4(6ax)8(n8p) 4 6 (4y7) y4(63a) 17x4(5b5z) (2xb)8(8y9a) 4 (182y)z 8(9b5mn4)3 1 1 (xy)(st) 5(9bx)3(n6p) 7 8 (4x2) y8(25b) 8m6(5n8z) (5mn)2(6x2b)
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