初一数学上册合并同类项及去括号专项练习题170.docx

1、初一数学上册合并同类项及去括号专项练习题170 1 1 (xy)(mn) 5(7ax)3(n2q) 5 8 (2m4) y6(38b) 16m8(4y6c) (3my)6(9m9b) 8 (1410y)c 9(3c3ab9)9 1 1 (xy)(st) 2(8bx)3(m5p) 2 3 (4x9) x5(28c) 2x6(7n8c) (5xn)2(5x3c) 3 (44x)c 3(5b7ab6)4 1 1 (ab)(st) 3(8by)7(n5q) 4 5 (5x9) y6(17a) 5x8(2b2z) (7xb)9(4x8a) 1 (84y)z 8(4d7xy6)6 1 1 (bc)(pq)

2、 5(9ax)3(m6p) 7 9 (9n9) z5(65a) 5x3(3b7t) (7xb)5(8n3a) 7 (1010z)t 5(3b9ab4)8 1 1 (xy)(pq) 3(8ax)4(n6p) 9 9 (8m9) z8(96a) 13x4(5b8z) (8xb)3(9m7a) 7 (108z)z 3(7c9mn7)8 1 1 (bc)(ef) 2(9ax)3(m8q) 5 7 (8a2) x4(37a) 19x4(4y6c) (4xy)6(3a4a) 1 (44x)c 2(3a3bc3)7 1 1 (xy)(pq) 3(9bx)6(n5q) 4 7 (3x2) z2(35b) 15

3、m2(9b2t) (4mb)5(3x4b) 4 (66z)t 8(9b9mn4)5 1 1 (ab)(ef) 5(7ay)6(n6q) 5 5 (8x2) z7(52c) 15x7(5b8z) (3xb)5(2x7c) 8 (144z)z 8(8c7xy5)7 1 1 (yz)(st) 5(9by)3(n4q) 7 6 (9n2) y9(47b) 15a2(8n4c) (6an)6(5n3b) 1 (142y)c 8(4a5xy2)3 1 1 (xy)(pq) 4(8by)6(n6q) 6 2 (7a2) z8(33c) 18x9(2y6t) (5xy)7(8a5c) 4 (84z)t 2(4

4、c8mn3)5 1 1 (ab)(ef) 3(9bx)2(m6p) 7 5 (4b2) z7(14b) 11a9(5y7c) (9ay)2(4b2b) 9 (2010z)c 4(7c5xy2)8 1 1 (yz)(pq) 3(6ax)2(n2q) 6 8 (4n3) z6(43b) 18x7(8n3z) (6xn)7(2n3b) 1 (24z)z 5(4b5xy5)2 1 1 (yz)(pq) 3(7bx)3(n3p) 3 3 (4n7) y6(99b) 8a3(5y2t) (6ay)6(9n8b) 1 (144y)t 7(3c2mn3)9 1 1 (ab)(st) 5(9ax)9(n3q) 7 9 (5a1) y4(38a) 8x9(9y3t) (4xy)5(4a2a) 1 (810y)t 4(2c7bc5)2 1 1 (yz)(pq) 5(9bx)5(m3q) 6 3 (3y4) z6(32a) 12m5(7y8t) (3my)3(3y6a) 7 (188z)t 7(5c3mn6)8