七年级数学上册合并同类项专项练习题31.docx

1、七年级数学上册合并同类项专项练习题314 (104y)z 9(5a7bc8)3 1 1 (ab)(st) 4(9ay)7(n8p) 4 5 (3m8) y2(25a) 18m9(3n2t) (8mn)3(3m8a) 3 (46y)t 5(2a3ab8)4 1 1 (ab)(pq) 4(8ax)8(m9p) 5 6 (8n7) z7(16a) 5x3(9n2z) (8xn)6(9n4a) 4 (186z)z 6(4b8ab4)3 1 1 (yz)(ef) 4(9by)7(n2q) 8 4 (2n8) x9(62c) 2x6(4b2z) (6xb)8(3n4c) 7 (42x)z 7(5a2bc1

2、)8 1 1 (xy)(st) 4(8ay)8(m4q) 8 4 (6n7) y2(77c) 11a6(2y6c) (7ay)8(7n4c) 3 (108y)c 6(9d6xy2)4 1 1 (xy)(pq) 3(7ax)8(n8p) 8 4 (6n2) x5(83b) 13x5(6b2z) (9xb)7(4n5b) 7 (128x)z 2(9d3xy8)8 1 1 (bc)(pq) 2(6bx)5(n7p) 4 9 (4y3) z6(24b) 17x4(2n5c) (3xn)4(4y9b) 5 (188z)c 5(6b2bc1)4 1 1 (yz)(mn) 4(9by)4(m3p) 8 3

3、(6y3) y5(42b) 19a3(3y4t) (9ay)3(4y5b) 8 (26y)t 6(3a3bc9)9 1 1 (xy)(ef) 5(8bx)2(n6q) 4 5 (9b5) y2(57c) 17m7(8y7z) (6my)9(3b4c) 5 (62y)z 6(4d3bc8)6 1 1 (bc)(ef) 3(9by)5(m2q) 3 3 (2n9) x2(76a) 9m3(7y2c) (5my)3(2n6a) 1 (1610x)c 4(6d6xy2)5 1 1 (ab)(st) 2(7bx)6(n8p) 2 8 (9m6) x2(38a) 19m8(5n6c) (2mn)8(4m9

4、a) 6 (124x)c 7(7b2bc4)5 1 1 (ab)(st) 5(7ax)4(n9q) 5 6 (4b3) z6(95c) 7x6(4y5z) (4xy)2(7b6c) 8 (208z)z 3(6c2mn4)9 1 1 (bc)(ef) 5(6ax)4(m7q) 2 8 (4x1) z7(93c) 7m2(3y2z) (9my)2(9x4c) 5 (26z)z 5(2b9ab9)6 1 1 (yz)(pq) 4(9bx)2(m4p) 8 9 (4n5) y5(29c) 9x9(3y3c) (5xy)9(9n8c) 1 (2010y)c 9(3a6xy6)3 1 1 (ab)(mn)

5、 2(8ay)5(n2q) 8 8 (9a8) y4(36b) 4m9(6y7z) (4my)3(5a6b) 10 (68y)z 3(4a2ab4)9 1 1 (yz)(mn) 3(8ax)9(m2p) 7 7 (8x1) y5(56b) 7m8(6b7z) (5mb)4(3x5b) 1 (144y)z 9(9b2mn6)6 1 1 (yz)(ef) 4(8by)5(m7p) 5 5 (4a4) y6(99c) 18a3(8b6c) (6ab)6(4a6c) 1 (86y)c 8(3c6xy6)2 1 1 (yz)(mn) 2(6ay)3(n3q) 6 8 (6x1) x2(43b) 4x3(7n8c) (4xn)6(6x9b) 10 (44x)c 9(2b8bc1)9 1 1 (bc)(mn) 2(8by)7(n2p) 4 2 (2n7) z3(75a) 11a8(4n9t) (9an)2(3n2a) 1 (410z)t 9(5b3mn2)9 1 1 (yz)(mn) 2(7by)4(n3q) 9 4 (4y2) z7(32c)