七年级数学上册合并同类项专项练习题225.docx

1、七年级数学上册合并同类项专项练习题225(2a7) z7(55a) 15m2(6b3z) (2mb)7(6a4a) 6 (86z)z 9(2d4ab4)5 1 1 (bc)(st) 4(7bx)8(n5p) 4 2 (3b8) z2(26a) 15m7(2y6t) (5my)9(7b7a) 1 (26z)t 5(3a8mn4)5 1 1 (yz)(st) 2(6by)4(n6q) 6 3 (2a2) x5(18a) 10m7(8n9c) (3mn)8(4a4a) 3 (1210x)c 5(8a2xy8)2 1 1 (bc)(ef) 2(6ax)5(n7q) 4 8 (3b6) y5(59b)

2、13m8(2b3z) (3mb)5(3b9b) 1 (46y)z 9(4d3xy7)3 1 1 (bc)(ef) 5(9bx)6(n7p) 2 2 (2n8) y7(85c) 13x3(9n9c) (3xn)8(5n9c) 2 (64y)c 8(9c9xy5)3 1 1 (yz)(pq) 2(9by)6(m7q) 2 6 (4x1) z5(53a) 12m2(3y6z) (5my)7(7x3a) 1 (68z)z 5(2a2bc6)8 1 1 (xy)(mn) 5(6ax)4(m7q) 9 7 (9m8) x7(96b) 16m6(5b8z) (6mb)9(4m9b) 5 (1610x)z 7

3、(4d7mn4)4 1 1 (ab)(st) 3(6ax)5(m2p) 5 6 (9y9) x7(58a) 19x5(6y3z) (6xy)2(8y9a) 3 (1810x)z 4(9b3mn6)2 1 1 (yz)(mn) 3(8ay)6(n7p) 6 6 (7n1) y8(93a) 20a5(4n6c) (8an)9(8n7a) 1 (1210y)c 7(8a9ab1)9 1 1 (xy)(mn) 5(7bx)8(m2p) 7 3 (9x2) z7(19a) 20m9(2n3t) (3mn)3(9x2a) 8 (610z)t 4(4a4bc5)7 1 1 (bc)(pq) 4(8ax)2(

4、n6p) 3 8 (3x9) x9(74a) 2x9(3n2c) (9xn)4(2x3a) 10 (208x)c 5(3b7xy8)9 1 1 (xy)(pq) 3(8bx)8(m2p) 5 5 (4y1) x6(49c) 8a4(7b8z) (3ab)4(4y9c) 3 (162x)z 6(4a4mn8)4 1 1 (xy)(st) 2(6by)4(n3q) 3 3 (9m1) y5(47a) 18m6(6b9z) (5mb)9(2m9a) 1 (1210y)z 8(9c3xy9)6 1 1 (bc)(mn) 5(6ay)6(n2q) 6 2 (6n1) x6(27c) 10m4(2b9t)

5、 (6mb)2(7n5c) 1 (208x)t 4(4a7mn7)2 1 1 (yz)(pq) 5(6bx)8(m5p) 3 4 (8x2) z8(68a) 2a5(8n4t) (4an)2(7x8a) 10 (1810z)t 8(7a9mn9)9 1 1 (bc)(st) 3(9ax)2(m2q) 8 7 (5n1) z3(96b) 3x6(5y5c) (8xy)7(2n8b) 1 (86z)c 9(7a8mn9)4 1 1 (ab)(st) 2(7ay)6(m9p) 7 4 (5m6) x9(94b) 15x4(4n2c) (9xn)7(9m2b) 1 (104x)c 9(5a5bc5)2 1 1 (ab)(mn) 2(6ax)9(n6p) 8 3 (3m2) z7(49b) 17x9(7n3t) (7xn)4(3m5b) 2 (48z)t 6(8d6ab9)3 1 1 (bc)(ef) 2(9ay)4(n4q) 3 6 (3b3) x5(33b) 11x8(4b8c) (8xb)9(2b7b) 7 (168x)c 3(9c5bc1)6