初一数学上册合并同类项及去括号专项练习题5.docx

1、初一数学上册合并同类项及去括号专项练习题5 1 1 (bc)(ef) 2(7ax)4(m2p) 7 5 (9x2) x6(63c) 19m3(9y7z) (5my)9(6x3c) 9 (206x)z 6(9b2xy8)8 1 1 (ab)(ef) 2(6bx)9(n2q) 3 6 (6m2) z7(99a) 8x3(7b5z) (8xb)9(3m7a) 4 (144z)z 2(4a2ab2)3 1 1 (yz)(pq) 2(6by)4(m3q) 7 8 (7y9) y7(13c) 2m6(7y9t) (5my)7(8y8c) 1 (22y)t 5(9a4ab6)8 1 1 (bc)(pq) 3

2、(6ay)5(m4q) 7 4 (9y9) y8(52b) 14a4(5n3z) (5an)8(4y6b) 1 (1410y)z 8(9b3ab2)9 1 1 (ab)(mn) 2(6bx)6(m6p) 4 4 (6b2) y3(23a) 20x4(5y3z) (6xy)8(9b9a) 1 (206y)z 7(8d7mn2)3 1 1 (yz)(pq) 2(6ay)2(m8p) 6 7 (4n1) x3(66b) 8a6(2y6c) (9ay)4(2n2b) 4 (146x)c 5(5d2xy8)5 1 1 (ab)(st) 4(9ay)8(m7p) 8 3 (2b4) z8(44c) 15m

3、6(8n8c) (6mn)7(2b2c) 1 (202z)c 3(2b9bc4)5 1 1 (ab)(mn) 4(6ax)8(n5q) 7 7 (2b2) z7(27c) 2x3(9n8c) (6xn)8(8b5c) 3 (28z)c 5(3c2ab6)2 1 1 (ab)(pq) 2(9ax)8(m7p) 4 3 (4y5) x3(12c) 13m6(7y9z) (6my)4(3y8c) 1 (22x)z 2(8b6xy7)9 1 1 (ab)(ef) 4(8ax)4(n3q) 2 5 (4m9) z4(97a) 15x9(2b8c) (8xb)3(3m3a) 1 (148z)c 8(2a6

4、ab1)8 1 1 (bc)(st) 4(7ay)9(m2q) 4 6 (8x5) z9(76c) 17a7(4b8z) (6ab)9(9x7c) 6 (44z)z 6(9b8xy7)7 1 1 (bc)(pq) 2(8ay)3(n3q) 2 6 (2m8) x5(19c) 4a2(6n6z) (5an)3(5m3c) 3 (68x)z 3(8a9xy7)4 1 1 (ab)(pq) 3(8bx)2(n3q) 6 2 (6a6) y6(62a) 8m2(9y9c) (3my)2(6a8a) 4 (188y)c 2(7a8bc4)3 1 1 (bc)(mn) 5(6ay)5(m4q) 7 4 (6x7) y7(24a) 6m7(4y7t) (5my)5(2x6a) 4 (1410y)t 3(8d2ab9)3 1 1 (yz)(ef) 3(7ax)6(n6q) 9 2 (5y7) y8(96a) 9x3(2y8z) (8xy)8(7y6a) 6 (1010y)z 5(3c4bc1)5