1、七年级数学上册合并同类项练习题精编455y(9y9) 4y(7y8p)(5p9y)5(4m4)9m 5(9x3)(4x8)3(ab5a)(4a3b) 3(abc7a)8(7a6abc)9(xy6z)(xy8z) 5(pqpr)(7pqpr)3y(6y2) 4y(5y4p)(9p5y)5(6t5)2t 10(6n5)(9n3)2(ab7a)(8a3b) 15(abc8a)5(6a8abc)9(xy9z)(xy4z) 5(pqpr)(7pqpr)4x(7x6) x(9x4q)(6q5x)4(2n6)5n 7(6y6)(9y3)9(ab2a)(9a2b) 10(abc7a)7(8a4abc)6(xy
2、6z)(xy3z) 3(pqpr)(3pqpr)5y(2y2) y(5y3z)(4z2y)5(4m7)9m 2(3n9)(6n5)9(ab8a)(6a5b) 3(abc4a)4(8a9abc)4(xy6z)(xy7z) 6(pqpr)(8pqpr)8n(7n3) 4n(9n2z)(4z4n)5(7a3)4a 5(5x7)(8x4)6(ab7a)(8a5b) 14(abc6a)6(7a6abc)9(xy3z)(xy6z) 2(pqpr)(4pqpr)4n(8n8) 8n(6n9q)(4q5n)2(6n8)6n 3(4a7)(3a1)7(ab9a)(6a4b) 5(abc9a)3(9a3abc)8
3、(xy4z)(xy7z) 5(pqpr)(2pqpr)3y(4y3) 2y(7y8p)(3p8y)3(6t4)3t 7(7y10)(9y1)6(ab2a)(8a5b) 2(abc5a)5(7a6abc)9(xy7z)(xy2z) 9(pqpr)(3pqpr)5m(3m8) m(3m4z)(5z7m)5(6n3)6n 9(8x2)(7x10)9(ab6a)(9a2b) 12(abc2a)7(2a2abc)4(xy3z)(xy9z) 7(pqpr)(6pqpr)5n(3n1) 9n(4n8z)(9zn)7(6s3)3s 5(6n6)(9n7)5(ab9a)(5a7b) 12(abc6a)7(4a8
4、abc)9(xy3z)(xy2z) 9(pqpr)(6pqpr)7a(9a6) a(2a6c)(8c8a)6(5b4)9b 7(3m10)(2m4)5(ab6a)(5a3b) 15(abc3a)9(6a9abc)6(xy9z)(xy6z) 4(pqpr)(9pqpr)9a(6a8) a(7a3p)(6pa)9(2a2)2a 6(7a5)(4a2)3(ab2a)(7a3b) 2(abc2a)3(9a4abc)7(xy4z)(xy4z) 7(pqpr)(9pqpr)3y(7y1) y(6y4c)(7c2y)2(5t1)9t 7(9n4)(2n3)9(ab5a)(2a6b) 11(abc4a)6(7
5、a4abc)6(xy6z)(xy2z) 5(pqpr)(7pqpr)9x(5x2) 6x(5x8q)(7qx)8(7a3)8a 7(4m8)(6m4)6(ab5a)(2a2b) 12(abc9a)7(8a5abc)6(xy3z)(xy9z) 2(pqpr)(8pqpr)8b(6b6) 3b(4b6c)(5cb)5(4n2)8n 8(8n5)(8n10)5(ab8a)(7a9b) 5(abc5a)4(3a5abc)5(xy7z)(xy8z) 9(pqpr)(5pqpr)8a(4a1) a(5a2c)(9ca)7(8s9)7s 10(6y5)(7y2)6(ab3a)(7a7b) 14(abc3a)
6、3(8a4abc)9(xy7z)(xy6z) 6(pqpr)(7pqpr)2y(6y2) y(3y5q)(4qy)7(2m4)5m 7(8a6)(4a2)8(ab5a)(8a4b) 16(abc6a)8(3a6abc)7(xy5z)(xy5z) 7(pqpr)(8pqpr)7x(5x1) 6x(4x3d)(9dx)5(3n8)6n 10(7n1)(4n6)7(ab6a)(9a6b) 11(abc7a)5(6a4abc)4(xy2z)(xy2z) 8(pqpr)(7pqpr)6x(8x4) x(8x6c)(4cx)3(6n5)7n 8(5b5)(8b3)6(ab6a)(5a4b) 18(abc2a)5(7a3abc)2(xy7z)(xy3z) 9(pqpr)(3pqpr)4y(7y3) y(5y4q)(5qy)6(9n5)8n 6(4m1)(6m2)9(ab4a)(7a9b) 20(abc4a)4(6a2abc)
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