初一数学上册合并同类项及去括号专项练习题58.docx

1、初一数学上册合并同类项及去括号专项练习题58 1 1 (bc)(st) 4(9bx)9(m4p) 8 9 (8m4) z5(37c) 18x8(4n8z) (3xn)4(3m7c) 6 (1210z)z 7(3c5ab1)5 1 1 (ab)(ef) 5(6bx)7(n2p) 2 9 (2x5) y9(28a) 2x3(2n3t) (8xn)7(2x9a) 3 (26y)t 3(6c5bc8)2 1 1 (bc)(mn) 3(7ay)5(n4p) 8 3 (3b3) z4(13a) 8a3(4b6z) (6ab)2(6b5a) 2 (64z)z 6(6d8ab2)3 1 1 (bc)(ef)

2、4(6by)5(n3p) 4 4 (7n3) z8(65c) 6m8(7y8z) (7my)3(4n2c) 1 (68z)z 4(2a4ab7)7 1 1 (yz)(mn) 4(9by)2(m6p) 7 4 (7n5) z6(75b) 9x4(4y6z) (9xy)4(7n3b) 3 (188z)z 4(5a9mn8)4 1 1 (xy)(pq) 3(8bx)5(n8q) 7 4 (5y3) y8(22c) 7x8(3b9z) (8xb)9(6y3c) 1 (24y)z 3(9d5ab8)6 1 1 (ab)(mn) 4(8ax)9(n9q) 4 3 (8b5) z6(73c) 7x8(3y8

3、c) (7xy)2(2b6c) 1 (124z)c 3(7a8bc9)4 1 1 (ab)(pq) 4(9ay)9(m4p) 5 2 (5m8) x4(25a) 10x7(9y4c) (9xy)3(3m4a) 7 (1010x)c 9(2b9mn9)6 1 1 (yz)(mn) 3(8ax)8(n8q) 7 4 (2y3) y6(49a) 3a3(6n2c) (7an)3(8y5a) 1 (186y)c 2(2b9ab6)8 1 1 (ab)(pq) 2(6by)2(n5q) 3 4 (4y2) y7(67a) 9a2(7y2z) (5ay)5(9y5a) 7 (184y)z 5(9a8bc1

4、)8 1 1 (xy)(st) 2(6bx)9(n6p) 8 8 (8b9) x8(35a) 4m9(7n2z) (9mn)2(2b3a) 1 (88x)z 9(6d5xy4)2 1 1 (yz)(ef) 2(9ay)5(n5p) 6 4 (2x5) x5(13b) 3m5(3b6c) (9mb)2(7x9b) 6 (122x)c 5(8c3ab1)5 1 1 (yz)(st) 5(6by)5(m7p) 2 5 (8m4) z9(47c) 18m6(8b2t) (4mb)8(8m6c) 1 (24z)t 9(3c8ab9)4 1 1 (yz)(mn) 4(6bx)3(n5q) 5 9 (3b1) y7(67b) 16x4(5n7t) (9xn)8(2b6b) 1 (166y)t 2(5c7mn6)7 1 1 (yz)(ef) 3(9by)2(n4p) 7 8 (9b8) y3(78b) 16x7(2n5c) (9xn)6(7b3b) 3 (188y)c 3(2c7bc8)4