七年级数学上册合并同类项专项练习题51.docx

1、七年级数学上册合并同类项专项练习题511 (142z)t 8(3d8ab8)8 1 1 (bc)(st) 2(9by)8(n2q) 6 2 (5m3) x2(43a) 13x5(8b6t) (8xb)9(5m3a) 4 (204x)t 4(3a8mn9)3 1 1 (bc)(mn) 3(8ax)9(m5q) 3 9 (2n8) y5(89c) 11m6(2y5t) (9my)7(2n9c) 4 (188y)t 4(4a8xy1)3 1 1 (ab)(ef) 4(7bx)6(m2p) 9 8 (7y4) x9(43a) 13a8(8b8t) (3ab)2(7y5a) 1 (202x)t 2(5b

2、6xy4)5 1 1 (yz)(mn) 4(9bx)5(m3p) 5 6 (7y6) x6(62c) 19a9(5b2t) (9ab)9(3y8c) 8 (2010x)t 8(5c2bc3)9 1 1 (yz)(mn) 4(7by)9(m3p) 8 4 (2m3) x4(82b) 20x4(9y4z) (2xy)6(8m7b) 1 (66x)z 5(8d3bc9)9 1 1 (bc)(ef) 4(7by)8(m9p) 3 4 (4n1) x8(49c) 13a2(4n8t) (5an)2(7n5c) 8 (610x)t 8(2b8xy4)7 1 1 (ab)(ef) 3(6bx)8(n9q)

3、4 9 (5y8) z7(46b) 10a8(9n7z) (8an)7(4y8b) 1 (22z)z 9(9d2mn4)2 1 1 (ab)(st) 2(9by)9(n3q) 4 7 (6m4) z9(58c) 19a6(3y5c) (9ay)5(8m6c) 1 (164z)c 5(5c5xy6)8 1 1 (bc)(mn) 4(8by)6(n5p) 9 8 (6y3) y5(32b) 17x4(6n4z) (7xn)8(2y8b) 7 (204y)z 6(2a8ab5)6 1 1 (xy)(mn) 4(9by)8(n2q) 5 2 (8x1) x2(32a) 19m7(6y9c) (2my)

4、9(4x5a) 1 (126x)c 9(4a9xy5)7 1 1 (yz)(mn) 2(7by)4(m8q) 8 2 (7y9) y2(73b) 11x7(7y5c) (6xy)6(6y3b) 10 (144y)c 5(4d9ab3)9 1 1 (xy)(ef) 4(8bx)3(m6p) 4 2 (2a7) x2(99b) 9x6(6n5t) (9xn)3(8a7b) 1 (26x)t 4(2d9ab6)8 1 1 (xy)(ef) 4(8by)9(m4p) 8 7 (6n9) z8(96b) 6m3(9n6t) (5mn)7(2n9b) 3 (186z)t 2(7d9mn9)2 1 1 (b

5、c)(pq) 3(6ay)3(m8q) 7 6 (4a8) y6(68b) 6x5(5n9t) (7xn)3(7a2b) 1 (88y)t 9(5a2bc4)5 1 1 (bc)(ef) 2(6ay)2(m9q) 3 5 (6m7) x7(43c) 5a2(2n8t) (3an)6(7m4c) 1 (104x)t 5(9c8mn5)2 1 1 (yz)(mn) 5(6ax)6(m6p) 5 2 (8b5) y9(47a) 8x6(2y2t) (8xy)8(6b9a) 6 (1810y)t 5(8c5ab2)7 1 1 (xy)(pq) 5(6by)6(n4q) 9 7 (4x6) y5(18b) 18x7(2b2c) (2xb)3(8x2b) 9 (104y)c 8(5b5bc1)8 1 1 (xy)(pq) 5(7bx)7(n2p) 5 9 (8x7) x4(34a) 12a9(3n7z) (7an)2(5x9a) 7 (86x)z 3(8a9bc8)8 1 1 (yz)(ef) 5(8by)6(n8p) 5 6 (2b2) y2(95a)