初一数学上册合并同类项及去括号专项练习题17.docx

1、初一数学上册合并同类项及去括号专项练习题17 1 1 (xy)(ef) 4(9bx)3(m4p) 4 2 (3y7) z2(95a) 9a2(4y3z) (7ay)2(4y8a) 1 (68z)z 6(7d9bc6)5 1 1 (xy)(st) 4(8ay)4(m5p) 5 8 (4m1) z2(92a) 4m4(9b2t) (5mb)8(2m3a) 3 (2010z)t 3(4b3xy9)2 1 1 (ab)(ef) 4(6ay)3(n4p) 9 6 (8a6) z5(97b) 5a2(3n7t) (5an)9(8a9b) 1 (148z)t 6(6b4ab6)6 1 1 (bc)(mn)

2、4(9by)2(m3p) 8 2 (4y7) z7(24c) 20m4(6n9t) (3mn)8(7y5c) 7 (208z)t 2(6d5mn8)6 1 1 (ab)(st) 4(9ax)8(n5p) 4 8 (5x9) z6(96b) 19x4(5b8t) (4xb)7(9x2b) 5 (182z)t 3(7c5mn5)6 1 1 (yz)(ef) 5(8ax)5(n3p) 7 4 (5n6) y9(34b) 2x9(3n8c) (3xn)2(4n4b) 7 (68y)c 2(2c4mn7)8 1 1 (yz)(st) 2(9ax)2(n4q) 7 5 (7y1) z8(92a) 2x9(

3、9n3t) (9xn)2(9y8a) 1 (128z)t 8(7d9mn5)9 1 1 (xy)(mn) 5(6ay)3(n8p) 8 4 (7x9) z9(55c) 14x2(2n5z) (9xn)9(5x2c) 1 (22z)z 2(7a8bc4)5 1 1 (bc)(pq) 5(9by)5(m8p) 6 9 (5y4) z4(64c) 13x5(6n7z) (9xn)7(6y7c) 3 (182z)z 4(5b3ab9)4 1 1 (yz)(mn) 4(9bx)5(m9p) 4 2 (8b7) z8(78a) 10x5(9n7t) (3xn)3(2b4a) 10 (128z)t 3(8b

4、2ab7)9 1 1 (yz)(mn) 2(6bx)6(n2q) 4 9 (6y7) z4(99c) 10m2(5b9z) (2mb)6(9y6c) 1 (144z)z 7(4b9mn5)4 1 1 (ab)(mn) 5(6bx)5(n4q) 7 5 (6n3) z9(43a) 10a8(4b8c) (2ab)9(6n7a) 7 (86z)c 4(6a6xy3)8 1 1 (bc)(pq) 5(7bx)8(n4p) 7 3 (8x8) z8(75b) 13x9(4b4t) (3xb)8(5x7b) 6 (1010z)t 5(7a3bc8)5 1 1 (xy)(ef) 3(6by)5(n7p) 6 2 (9x6) x6(76c) 18x9(8y4z) (2xy)5(5x3c) 7 (128x)z 9(2c9xy5)8 1 1 (yz)(pq) 3(7ax)3(m2p) 8 3 (5n2) y5(23c) 15m2(3n2z) (6mn)8(2n2c) 3 (164y)z 6(7c6xy5)2