初一数学上册合并同类项及去括号专项练习题54.docx

1、初一数学上册合并同类项及去括号专项练习题54 1 1 (xy)(pq) 3(9by)9(n9q) 4 3 (3y5) z2(66a) 13a7(8y4t) (5ay)7(8y7a) 9 (204z)t 9(5a6ab5)8 1 1 (xy)(ef) 4(8ay)6(m9p) 5 3 (5y8) z2(93a) 15x2(7n3z) (2xn)7(2y8a) 7 (86z)z 7(7c4ab9)6 1 1 (bc)(st) 5(6ay)6(m7p) 3 8 (3n9) y9(83b) 11m3(6b7c) (8mb)2(6n4b) 5 (144y)c 3(2c6mn1)6 1 1 (xy)(pq

2、) 5(9ax)2(m3p) 5 8 (8y7) y6(37c) 9m2(2b5z) (2mb)6(3y9c) 1 (610y)z 4(4a3ab7)4 1 1 (xy)(ef) 2(6ax)2(m9q) 7 4 (2m1) z5(43a) 10m7(9b9t) (7mb)7(7m9a) 1 (68z)t 8(9a5mn3)4 1 1 (bc)(mn) 4(9by)7(n9p) 5 3 (2y8) y2(19b) 5x6(3n5z) (5xn)7(6y8b) 4 (68y)z 9(4b7bc6)5 1 1 (bc)(ef) 2(6ax)5(m6p) 6 7 (9n3) y3(77b) 5m3(

3、4y3c) (7my)5(4n9b) 1 (148y)c 2(7d6bc6)4 1 1 (ab)(st) 4(9bx)8(n4p) 3 8 (3m3) x4(17a) 16m9(2b4t) (6mb)3(4m6a) 1 (182x)t 3(9d5xy4)2 1 1 (bc)(ef) 2(6ay)7(n9q) 8 7 (3m4) z3(15c) 11a7(4y5c) (7ay)5(6m5c) 1 (1810z)c 9(3c6bc9)7 1 1 (xy)(pq) 2(8by)5(m2p) 7 7 (5n3) z7(53a) 8a5(3y8c) (6ay)3(5n4a) 1 (122z)c 2(2c

4、6ab5)7 1 1 (yz)(mn) 2(7by)6(m6p) 2 5 (5b6) y9(65c) 5m7(8y2z) (7my)4(4b2c) 1 (204y)z 4(3a4mn4)8 1 1 (ab)(mn) 5(9by)4(m6p) 9 7 (8y7) y5(79b) 20a5(4y3c) (9ay)2(9y2b) 8 (68y)c 6(2a6bc7)7 1 1 (xy)(pq) 4(7by)3(m8p) 2 4 (8a5) z9(12c) 9m9(8y5z) (4my)6(2a3c) 10 (148z)z 2(4c9mn4)9 1 1 (bc)(ef) 2(6by)5(m4q) 2 8 (9n7) x2(77c) 5x7(2b2t) (3xb)2(6n9c) 9 (128x)t 5(4d4bc2)8 1 1 (yz)(mn) 5(8bx)9(n2q) 8 9 (6m5) x7(63b) 14a2(4y6c) (7ay)8(9m7b) 1 (102x)c 8(3a5xy9)4