初一数学上册合并同类项专项练习题142.docx

1、初一数学上册合并同类项专项练习题1425 (1210y)z 3(5c5bc9)4 1 1 (yz)(ef) 2(9bx)2(n8q) 9 3 (4b1) z7(34b) 4a3(9b4c) (7ab)4(9b6b) 7 (24z)c 8(8a3mn8)6 1 1 (xy)(ef) 4(9ax)2(m6p) 8 8 (7y6) x4(38a) 18a9(7b8z) (8ab)9(3y9a) 1 (104x)z 8(6a6xy7)4 1 1 (bc)(ef) 3(8ax)6(n2q) 9 7 (5y4) z7(38b) 12x6(7y2z) (3xy)4(7y5b) 10 (202z)z 6(2b

2、8bc7)9 1 1 (bc)(ef) 2(6bx)9(n4p) 8 9 (3a6) y5(45a) 18x9(3n9t) (8xn)7(8a9a) 1 (126y)t 2(2c9mn2)6 1 1 (bc)(ef) 4(8ay)9(n4p) 8 6 (9n5) y9(49b) 18m3(9y4t) (4my)2(3n6b) 9 (1010y)t 5(5b5xy4)8 1 1 (ab)(mn) 4(7bx)8(m7q) 9 6 (7n7) x4(76c) 16m8(4n8c) (6mn)5(5n3c) 1 (206x)c 6(3c6xy1)6 1 1 (ab)(ef) 3(9ax)8(n7p)

3、 6 4 (6m6) z4(45a) 9x9(7y7z) (4xy)6(7m5a) 8 (2010z)z 3(9c7xy6)7 1 1 (xy)(st) 4(9ax)7(n2p) 8 7 (2b4) y3(95c) 17m2(3b4c) (9mb)7(9b4c) 1 (206y)c 7(3d7ab4)2 1 1 (xy)(mn) 2(8ax)3(n3q) 9 2 (7y2) x3(33a) 10a9(3n2t) (7an)4(9y3a) 1 (108x)t 2(3a7bc1)5 1 1 (bc)(ef) 5(8by)7(m5p) 2 4 (3a3) x2(36c) 19a8(5y5z) (5a

4、y)9(3a6c) 7 (164x)z 3(6c7bc1)6 1 1 (ab)(mn) 4(9ay)2(n4q) 9 8 (2y5) x7(74b) 20x2(5y6z) (9xy)9(5y2b) 8 (184x)z 5(4a2bc6)7 1 1 (yz)(pq) 4(8by)7(m2p) 4 2 (6b4) y4(65c) 8a4(4n5t) (6an)3(9b2c) 7 (164y)t 5(3c3ab8)8 1 1 (xy)(ef) 4(8ay)3(n5q) 8 3 (4x7) y5(74b) 12x7(9y4t) (4xy)6(8x5b) 3 (204y)t 6(2c4bc2)2 1 1

5、 (ab)(st) 5(7bx)4(n9q) 3 8 (7b7) y5(78c) 17x2(5n3c) (2xn)7(3b9c) 1 (610y)c 5(9b4ab8)5 1 1 (bc)(mn) 4(9ay)3(m9p) 2 8 (8m8) y2(76a) 14x8(7y2c) (8xy)6(9m4a) 1 (26y)c 2(6d4xy5)3 1 1 (bc)(ef) 4(7ax)8(n7p) 3 7 (8m3) z3(48c) 12m3(5n4z) (5mn)5(7m4c) 1 (168z)z 7(8a2bc2)7 1 1 (ab)(pq) 4(7by)6(n7q) 4 5 (3n8) z

6、8(86c) 16a3(3y5c) (3ay)3(2n6c) 3 (208z)c 9(5d6xy2)2 1 1 (bc)(ef) 4(6by)5(m7q) 7 9 (5y4) y5(52c) 12m3(8b9z) (9mb)7(9y2c) 6 (62y)z 7(3b2mn4)5 1 1 (yz)(st) 2(7ax)5(m2p) 9 7 (2b9) x2(68b) 6m3(2b3z) (6mb)7(5b5b) 1 (168x)z 7(6b7bc2)2 1 1 (xy)(pq) 5(9ay)4(m4q) 6 9 (5x9) z2(84b) 8m3(2n6c) (3mn)8(6x7b) 10 (122z)c 8(4b7xy6)9 1 1 (bc)(ef) 3(7ax)2(m7q) 6 9 (3b5) y2(64b) 2m6(7b2t) (8mb)3(9b7b) 3 (48y)t 8(3b4bc7)4 1 1 (bc)(ef) 4(6by)6(n2q) 9 6 (5a9) z9(79b) 10a4(3n5c) (8an)5(9a8b) 6 (610z)c 9(9c5bc4)7 1 1 (yz)(pq) 4(8ay)8(m8q) 8 3