初一数学上册合并同类项及去括号专项练习题191.docx

1、初一数学上册合并同类项及去括号专项练习题191 1 1 (yz)(mn) 3(8by)4(n3q) 3 3 (9y4) y9(58b) 13m3(8y4z) (4my)7(5y9b) 8 (610y)z 7(4a8ab6)7 1 1 (yz)(st) 3(8ay)5(m8q) 7 9 (8b2) y4(54c) 11a8(3b4c) (4ab)8(7b9c) 1 (122y)c 8(3d9ab8)6 1 1 (xy)(pq) 3(9by)3(m7q) 2 7 (2x1) z6(84b) 6a8(6n6z) (8an)9(6x5b) 1 (106z)z 6(8c4ab8)7 1 1 (xy)(m

2、n) 5(8ax)3(m6q) 8 7 (8b8) x9(73a) 12a2(4n6t) (9an)5(4b4a) 1 (22x)t 2(8c5bc8)2 1 1 (ab)(st) 3(8by)4(n6p) 4 2 (5a5) y6(25b) 18a7(2y9c) (6ay)9(6a5b) 1 (24y)c 7(4b9xy1)2 1 1 (xy)(ef) 4(6ay)5(m8q) 3 8 (5b3) y6(67a) 18m5(4b8c) (2mb)8(7b4a) 1 (186y)c 7(8d4xy6)4 1 1 (ab)(pq) 2(6bx)4(m4p) 6 8 (8a5) z3(29c) 5

3、m5(3n7c) (9mn)5(3a2c) 1 (142z)c 8(3c3xy7)8 1 1 (ab)(mn) 4(7ax)2(m7q) 9 7 (9m9) y3(74c) 14m7(9y4c) (6my)7(9m4c) 5 (168y)c 3(4d2ab5)4 1 1 (bc)(ef) 5(6bx)6(m4p) 5 6 (9x5) x3(22b) 15a8(3b2t) (7ab)3(7x4b) 1 (106x)t 8(4b7ab9)2 1 1 (xy)(st) 4(8bx)8(n2q) 3 9 (2x1) x5(39c) 4a2(9b2c) (3ab)3(3x3c) 1 (88x)c 6(3

4、a6xy2)7 1 1 (yz)(mn) 4(9ay)9(m7p) 4 5 (2b3) x5(18c) 12x8(7y5t) (8xy)9(4b9c) 1 (44x)t 5(6a3ab7)6 1 1 (xy)(mn) 4(9ay)4(n4p) 4 6 (8x2) y8(18c) 3m6(4n7c) (2mn)2(9x4c) 3 (22y)c 8(2d6bc6)4 1 1 (ab)(ef) 5(8ay)7(n5q) 7 9 (5x2) z4(33a) 7a7(3b7c) (2ab)7(8x4a) 4 (208z)c 9(4c6bc5)5 1 1 (yz)(mn) 4(9bx)2(n2q) 6 8 (7b3) z6(95c) 13a6(9b7t) (7ab)4(4b9c) 1 (164z)t 3(4c5mn5)8 1 1 (yz)(st) 5(7bx)4(n9p) 6 4 (2y9) z7(94a) 8x8(3b9t) (4xb)4(2y6a) 1 (106z)t 9(4b2bc8)6