初一数学上册合并同类项及去括号专项练习题190.docx

1、初一数学上册合并同类项及去括号专项练习题190 1 1 (xy)(st) 2(9ax)4(m3q) 3 5 (8m9) y8(99c) 10a4(8n3t) (8an)8(7m7c) 1 (2010y)t 4(3b8bc8)6 1 1 (ab)(pq) 3(6by)3(m2q) 3 6 (5m1) z3(89b) 8x9(8b8c) (6xb)9(8m5b) 6 (48z)c 6(4c3mn7)7 1 1 (xy)(pq) 5(6ax)8(m9p) 2 7 (4y9) x9(38b) 5x9(8n3c) (4xn)5(7y3b) 1 (1210x)c 9(4d5xy2)6 1 1 (yz)(p

2、q) 2(6ay)2(m2q) 6 8 (8b9) x2(76b) 16x2(9y2t) (7xy)8(7b2b) 1 (88x)t 3(4a5bc9)4 1 1 (xy)(mn) 5(9by)9(m2q) 8 2 (4n2) y2(92b) 16x9(3b5c) (2xb)5(3n7b) 6 (1610y)c 6(3c6xy6)7 1 1 (yz)(mn) 5(6ax)6(n4q) 3 9 (3y7) z4(14b) 17x8(2b7t) (5xb)3(7y9b) 1 (122z)t 3(2b2bc5)2 1 1 (bc)(st) 5(8by)9(m8q) 6 2 (6b4) y7(15c)

3、 4x6(4n8t) (7xn)4(2b6c) 1 (102y)t 2(9b7ab1)6 1 1 (bc)(ef) 4(7by)4(n2q) 9 4 (2y2) z7(88a) 17x8(6y5c) (3xy)4(8y4a) 6 (210z)c 8(5b9bc4)5 1 1 (yz)(ef) 5(8by)8(m8p) 7 3 (5x5) y6(62b) 17m6(6b7c) (5mb)8(8x7b) 1 (102y)c 7(5c6mn8)6 1 1 (bc)(ef) 4(7ax)7(m6q) 6 7 (3n6) z7(66b) 12x2(9b8t) (8xb)7(4n4b) 1 (610z)t

4、 7(5b4mn7)4 1 1 (bc)(pq) 5(9ay)4(m9p) 9 3 (4m7) z8(24b) 17a5(8b5t) (4ab)4(5m4b) 1 (46z)t 9(5d9mn8)8 1 1 (ab)(mn) 4(9ay)7(m8q) 4 5 (6a4) x3(33a) 18x5(2n8c) (3xn)8(2a4a) 7 (186x)c 4(6b9ab4)6 1 1 (yz)(pq) 4(6ay)4(n2p) 9 3 (4a8) y6(27b) 20a6(7b3t) (6ab)8(3a6b) 1 (1010y)t 7(4b9bc1)5 1 1 (bc)(ef) 2(9bx)9(n8q) 6 6 (5m4) x4(15c) 6x4(4y4c) (3xy)5(2m9c) 1 (126x)c 9(6d2xy2)6 1 1 (xy)(pq) 5(6ax)9(n2q) 6 4 (3b8) z2(92b) 7a3(8n3c) (8an)2(2b9b) 1 (66z)c 9(5c4mn3)6