1、七年级数学上册合并同类项练习题精编155(ab4a)(3a3b) 18(abc7a)5(7a8abc)5(xy4z)(xy9z) 9(pqpr)(3pqpr)9y(8y8) 2y(3y2p)(2p3y)9(2s1)8s 2(6n3)(5n1)2(ab8a)(2a9b) 5(abc5a)9(4a9abc)8(xy3z)(xy4z) 9(pqpr)(5pqpr)8n(9n9) 5n(5n9s)(7sn)3(7n6)5n 7(7x3)(9x5)3(ab9a)(5a2b) 8(abc6a)8(6a3abc)4(xy3z)(xy8z) 3(pqpr)(3pqpr)2n(3n3) n(4n6q)(3q7n
2、)2(5s1)2s 5(7m7)(9m2)5(ab8a)(2a6b) 6(abc3a)6(8a4abc)2(xy3z)(xy2z) 9(pqpr)(9pqpr)9n(9n1) 7n(9n9p)(5p5n)7(3n6)3n 9(8n3)(8n5)2(ab2a)(6a8b) 11(abc6a)3(4a4abc)4(xy4z)(xy9z) 9(pqpr)(4pqpr)3m(8m7) 5m(9m7d)(5dm)2(9b6)9b 4(7x2)(7x9)4(ab9a)(3a8b) 5(abc7a)4(4a9abc)9(xy7z)(xy8z) 6(pqpr)(6pqpr)8n(4n7) n(5n3d)(5d
3、n)7(2b4)8b 9(4x4)(8x7)6(ab3a)(5a8b) 7(abc2a)7(2a3abc)9(xy9z)(xy3z) 3(pqpr)(6pqpr)5y(9y8) y(5y8q)(4q6y)6(6m8)9m 4(2x8)(5x8)4(ab9a)(6a9b) 16(abc7a)5(3a4abc)8(xy3z)(xy5z) 4(pqpr)(8pqpr)5n(9n3) n(3n9d)(7d7n)6(2b4)8b 4(3y1)(5y7)9(ab3a)(5a6b) 4(abc6a)3(4a9abc)8(xy7z)(xy6z) 5(pqpr)(9pqpr)8n(5n5) n(3n7z)(3z
4、n)2(5m5)8m 1(5a1)(2a6)8(ab5a)(8a6b) 17(abc4a)5(2a4abc)4(xy9z)(xy8z) 4(pqpr)(8pqpr)4m(7m8) m(8m3p)(4p5m)9(4t9)8t 5(6x8)(8x9)2(ab9a)(4a9b) 14(abc3a)5(6a6abc)9(xy4z)(xy5z) 7(pqpr)(3pqpr)2a(8a1) a(7a9z)(9z9a)6(2s8)8s 1(2x1)(3x6)5(ab2a)(7a4b) 17(abc5a)4(8a9abc)5(xy7z)(xy6z) 6(pqpr)(6pqpr)4x(4x3) 9x(9x6z)
5、(8zx)5(4t4)3t 9(6b7)(2b6)7(ab5a)(8a7b) 10(abc4a)7(6a2abc)7(xy7z)(xy4z) 5(pqpr)(7pqpr)3x(5x3) x(9x9q)(6q4x)8(6n6)3n 5(7x5)(6x7)5(ab9a)(5a4b) 19(abc6a)9(9a4abc)2(xy5z)(xy3z) 5(pqpr)(8pqpr)6y(2y4) y(5y6s)(8s9y)6(2t6)2t 6(7x3)(5x7)8(ab7a)(3a7b) 10(abc6a)4(4a7abc)8(xy5z)(xy7z) 2(pqpr)(3pqpr)5b(8b5) b(2b4
6、d)(7db)9(9b3)3b 10(5x1)(7x3)2(ab6a)(2a6b) 11(abc2a)7(3a7abc)5(xy5z)(xy2z) 8(pqpr)(7pqpr)4y(4y9) y(4y8d)(3dy)2(5a6)6a 10(9x9)(2x4)6(ab2a)(2a5b) 18(abc6a)7(6a9abc)3(xy2z)(xy5z) 6(pqpr)(4pqpr)7m(5m2) 8m(6m9p)(7pm)4(4b9)2b 7(8y5)(2y3)5(ab8a)(4a2b) 19(abc7a)4(5a7abc)5(xy6z)(xy2z) 4(pqpr)(8pqpr)3x(7x6) x(5x7q)(6qx)2(7b9)2b 10(5b10)(4b1)9(ab5a)(5a7b) 13(abc5a)9(4a7abc)8(xy9z)(xy4z) 9(pqpr)(5pqpr)2b(3b2) b(5b9q)(6q2b)