初一数学上册合并同类项及去括号专项练习题26.docx

1、初一数学上册合并同类项及去括号专项练习题26 1 1 (yz)(pq) 4(8ax)8(n9q) 6 8 (4x5) z9(46a) 9m2(7y9c) (4my)9(5x3a) 6 (206z)c 9(2d4ab1)7 1 1 (ab)(ef) 4(8bx)8(n9q) 5 2 (5a9) y4(97c) 11m7(8b8c) (4mb)4(7a8c) 2 (126y)c 4(8b6xy1)3 1 1 (xy)(ef) 4(7by)4(n8q) 8 4 (4b7) z3(56a) 15x2(9y9z) (6xy)9(8b9a) 8 (1010z)z 9(3c5mn8)9 1 1 (bc)(p

2、q) 2(6by)2(n5p) 5 4 (3y4) y8(29a) 7m2(7b3t) (3mb)3(4y5a) 5 (182y)t 7(6b5mn6)6 1 1 (xy)(pq) 5(7ay)3(m2p) 7 2 (8n5) x4(37b) 7a3(9b7t) (2ab)5(4n8b) 6 (204x)t 2(5a4mn9)7 1 1 (bc)(pq) 3(8ax)3(m5p) 3 9 (4y1) x4(58b) 5m8(3y2c) (6my)5(2y9b) 1 (106x)c 9(7d6ab9)6 1 1 (bc)(pq) 3(8bx)5(m5p) 8 9 (7x4) y5(32b) 13

3、x8(9n5z) (3xn)3(3x6b) 7 (182y)z 7(6c4bc9)6 1 1 (bc)(pq) 4(9ax)2(n4p) 4 5 (5y7) x8(75b) 6a4(5b6c) (8ab)2(3y4b) 1 (44x)c 7(6a4bc1)9 1 1 (yz)(st) 3(7ax)6(n7p) 7 3 (6b3) x8(28a) 7a5(7n3t) (6an)9(6b2a) 7 (182x)t 7(6d2bc9)8 1 1 (bc)(st) 3(9bx)2(n6p) 5 8 (4b8) y8(42a) 20m7(6n2c) (8mn)9(4b4a) 3 (210y)c 9(6b

4、9mn4)2 1 1 (yz)(mn) 5(6by)6(m2p) 6 6 (9m5) z7(86b) 2a6(5n8z) (9an)7(9m3b) 6 (86z)z 2(6a2ab3)5 1 1 (yz)(mn) 2(6by)8(m6q) 6 4 (5x3) z3(35b) 15a7(3n9t) (5an)7(6x6b) 1 (204z)t 2(6d4ab9)6 1 1 (yz)(mn) 3(7bx)4(m8p) 3 5 (9y1) z8(76b) 13x4(6n2c) (7xn)7(2y2b) 8 (148z)c 4(8a7bc2)7 1 1 (ab)(mn) 3(9bx)5(n3q) 6 9 (5b2) x2(49a) 18x3(3y9z) (4xy)7(5b3a) 1 (186x)z 7(4d4xy9)8 1 1 (bc)(ef) 2(7by)4(n8q) 8 5 (2y8) z7(38a) 13a6(9n8t) (3an)3(4y9a) 6 (410z)t 8(3d6bc7)5