初一数学上册合并同类项及去括号专项练习题197.docx

1、初一数学上册合并同类项及去括号专项练习题197 1 1 (yz)(pq) 5(8by)9(m7q) 4 3 (3n4) y9(52b) 15m2(3y3z) (4my)2(5n3b) 1 (1410y)z 5(7b6ab9)8 1 1 (ab)(st) 4(8ay)8(n8p) 3 4 (5x3) z4(48a) 6m6(8n7t) (6mn)4(7x7a) 1 (106z)t 3(4b3xy3)2 1 1 (ab)(pq) 5(6ay)2(n2p) 3 5 (3b1) z3(18b) 16x6(3n6t) (3xn)5(2b5b) 1 (1610z)t 8(7b9mn7)8 1 1 (xy)

2、(st) 3(8bx)6(m9p) 9 8 (4x9) x2(52a) 19a8(8n8c) (4an)9(6x9a) 1 (142x)c 8(2b6bc3)3 1 1 (bc)(pq) 4(8ay)2(m4q) 7 3 (3n2) x4(14a) 10m9(3n7z) (6mn)2(2n3a) 1 (102x)z 2(2c5xy4)3 1 1 (bc)(st) 2(8bx)3(n5q) 5 5 (4x5) x4(83b) 19a6(2y2c) (2ay)6(5x8b) 1 (46x)c 9(5c6ab1)4 1 1 (bc)(pq) 2(8ax)2(n9q) 4 7 (8a2) y6(15b

3、) 12a4(2b5c) (5ab)2(8a8b) 1 (206y)c 9(6c9ab2)4 1 1 (ab)(st) 3(9ay)3(m4q) 7 9 (3b6) z3(53c) 6a6(7y2t) (3ay)5(7b2c) 1 (64z)t 3(5b4mn6)8 1 1 (bc)(pq) 2(8ax)3(n9q) 2 6 (8m6) z3(53b) 7m6(8n3t) (2mn)2(9m8b) 1 (610z)t 6(8b5mn4)9 1 1 (xy)(pq) 2(9ay)2(m5p) 5 2 (9x4) y2(94c) 9x6(3y9z) (3xy)2(6x7c) 1 (102y)z 4

4、(5c9ab9)2 1 1 (bc)(st) 3(7bx)7(n6p) 7 5 (3b3) x7(12a) 16m5(6b6c) (8mb)5(5b8a) 1 (108x)c 6(8b5ab4)7 1 1 (xy)(mn) 5(8ax)4(m9q) 7 2 (8a6) x5(47c) 13a5(8b4c) (8ab)5(5a4c) 7 (44x)c 4(2c6mn3)8 1 1 (yz)(pq) 5(7by)2(n8p) 8 8 (4y6) y9(86c) 12m2(6b9t) (4mb)9(5y2c) 1 (142y)t 3(6a2mn5)4 1 1 (yz)(st) 5(6by)6(n4q) 5 3 (3y5) x8(97b) 5a5(4n5c) (2an)8(3y4b) 7 (188x)c 6(6a2xy6)8 1 1 (ab)(st) 5(9by)9(n8q) 8 7 (2y2) z4(33b) 18m8(2n8t) (8mn)9(3y4b) 9 (106z)t 8(3b7mn9)8