初一数学上册合并同类项及去括号专项练习题141.docx

1、初一数学上册合并同类项及去括号专项练习题141 1 1 (xy)(st) 5(6ax)9(n5q) 6 2 (6m4) y6(94a) 12x4(8n3t) (7xn)6(4m8a) 6 (128y)t 3(3d6bc1)7 1 1 (xy)(ef) 2(6ay)5(m7q) 9 8 (4n4) x5(45b) 14x6(4b3c) (7xb)3(8n8b) 1 (124x)c 9(6a2xy3)9 1 1 (yz)(ef) 5(8ay)6(n9p) 4 3 (4y7) x6(19a) 2m8(4y9c) (9my)2(5y3a) 3 (184x)c 4(3c9bc5)4 1 1 (bc)(p

2、q) 3(7by)8(m5p) 4 7 (4n8) x3(46a) 20x7(8n9c) (3xn)9(5n9a) 3 (164x)c 9(8d2xy3)2 1 1 (ab)(st) 4(9bx)9(m8p) 3 6 (6n4) x5(23a) 11a4(9n5t) (4an)6(2n7a) 3 (104x)t 5(5d6xy9)2 1 1 (ab)(mn) 2(8ax)7(m5q) 5 8 (4n6) y3(22a) 8x3(8n5c) (2xn)3(3n9a) 4 (202y)c 6(9b8xy4)3 1 1 (ab)(pq) 5(9bx)6(n2p) 7 8 (4x5) y7(66b)

3、13a2(7n5c) (9an)2(8x3b) 1 (204y)c 6(3a6xy9)9 1 1 (yz)(pq) 4(9by)7(n6p) 7 3 (5n7) x6(99a) 13a8(3b9c) (8ab)2(6n4a) 7 (142x)c 9(5a2xy4)8 1 1 (xy)(ef) 2(9ay)8(m3p) 3 4 (3n9) z7(25a) 18a9(5b3c) (5ab)5(6n8a) 3 (64z)c 4(8a7ab7)2 1 1 (ab)(ef) 4(9bx)5(n8q) 2 6 (6a6) z7(17a) 5x7(5y7t) (9xy)9(8a9a) 1 (82z)t 8(

4、6b2bc3)3 1 1 (bc)(mn) 5(9ay)5(n8q) 9 2 (6b2) z7(46c) 10a8(5y9t) (8ay)2(2b4c) 4 (208z)t 6(8d5mn1)3 1 1 (ab)(ef) 4(7ax)4(n7q) 6 5 (4b3) z5(27a) 15a5(7y7c) (9ay)7(4b3a) 3 (208z)c 3(7c7bc9)2 1 1 (yz)(pq) 3(7bx)5(m7q) 4 7 (4x8) z6(29a) 20m9(9n7z) (3mn)8(6x4a) 7 (146z)z 3(5a5mn3)8 1 1 (xy)(ef) 2(7by)6(n3p) 8 8 (5a1) y6(16a) 7m4(8b3z) (3mb)5(5a9a) 6 (102y)z 9(9a2mn9)7 1 1 (bc)(st) 4(9by)4(n4p) 7 6 (4m8) x4(44a) 10m4(5b5c) (9mb)2(3m9a) 9 (66x)c 4(8d6xy9)8