1、七年级数学上册合并同类项练习题精编978n(7n3) 3n(6n8c)(7c7n)9(2n1)7n 8(7b9)(4b6)7(ab5a)(6a4b) 11(abc8a)6(4a4abc)6(xy7z)(xy3z) 9(pqpr)(3pqpr)2b(9b2) b(8b8s)(6sb)2(5a8)7a 10(6y4)(7y4)8(ab4a)(5a4b) 19(abc7a)4(9a4abc)9(xy7z)(xy8z) 7(pqpr)(5pqpr)2a(2a3) 9a(2a3s)(6sa)8(2n6)7n 1(2a2)(5a1)6(ab8a)(2a9b) 10(abc9a)4(7a6abc)4(xy9
2、z)(xy3z) 9(pqpr)(6pqpr)4x(5x8) x(3x3z)(9z5x)9(4t7)8t 6(5b3)(3b1)4(ab7a)(5a7b) 19(abc8a)4(6a8abc)3(xy2z)(xy6z) 7(pqpr)(9pqpr)5x(2x5) 9x(5x3p)(4p2x)3(6n1)8n 9(9m8)(6m9)4(ab7a)(2a5b) 2(abc5a)5(7a2abc)7(xy7z)(xy6z) 8(pqpr)(8pqpr)5a(3a9) 5a(4a4p)(7p7a)3(4a4)4a 7(2y1)(9y5)8(ab7a)(7a6b) 16(abc4a)6(3a2abc)7
3、(xy5z)(xy9z) 5(pqpr)(3pqpr)2a(4a3) 5a(7a5s)(2s7a)6(2s9)7s 3(4n2)(6n6)5(ab5a)(5a8b) 20(abc6a)5(6a5abc)6(xy5z)(xy6z) 7(pqpr)(2pqpr)5y(3y1) 2y(9y4c)(4c2y)6(4a3)5a 6(5b8)(6b8)2(ab2a)(6a5b) 18(abc6a)7(3a6abc)8(xy8z)(xy2z) 4(pqpr)(3pqpr)7m(8m9) 8m(4m7p)(5pm)3(5b5)5b 8(7n10)(7n2)5(ab3a)(7a8b) 6(abc3a)6(4a5
4、abc)7(xy2z)(xy4z) 2(pqpr)(4pqpr)2n(7n9) 2n(5n7s)(5sn)5(5s8)5s 6(9b9)(6b2)5(ab4a)(3a6b) 11(abc3a)8(2a6abc)6(xy7z)(xy2z) 3(pqpr)(9pqpr)7x(5x7) 7x(8x7s)(8s3x)6(9n1)5n 5(5m5)(4m4)4(ab6a)(4a9b) 14(abc4a)5(3a6abc)8(xy2z)(xy4z) 8(pqpr)(8pqpr)4x(9x5) x(2x6s)(2s5x)4(6b6)5b 3(7a2)(9a3)2(ab7a)(4a4b) 11(abc6a)3
5、(3a8abc)2(xy9z)(xy7z) 4(pqpr)(5pqpr)2y(3y8) 5y(5y8p)(5py)7(6n6)6n 5(6a4)(7a2)3(ab5a)(5a5b) 19(abc4a)4(6a2abc)7(xy4z)(xy6z) 3(pqpr)(3pqpr)3y(3y3) y(5y2q)(9qy)2(8b6)8b 3(2y9)(9y2)4(ab9a)(2a4b) 12(abc7a)4(5a2abc)6(xy7z)(xy6z) 3(pqpr)(7pqpr)6y(8y1) y(4y8q)(4q3y)2(3n6)5n 10(4x1)(5x1)4(ab5a)(4a3b) 8(abc8a
6、)9(3a4abc)4(xy9z)(xy4z) 4(pqpr)(5pqpr)6y(5y8) 9y(6y8p)(5p8y)6(8n2)4n 4(7m6)(6m6)5(ab8a)(7a2b) 11(abc3a)5(5a5abc)2(xy9z)(xy4z) 7(pqpr)(8pqpr)9m(2m5) 4m(9m9c)(6cm)6(2s8)9s 6(5x6)(5x6)8(ab3a)(7a6b) 12(abc3a)5(5a4abc)7(xy9z)(xy6z) 6(pqpr)(7pqpr)7a(2a8) 6a(8a4p)(8p6a)4(2m9)2m 7(6b1)(5b9)7(ab8a)(3a9b) 8(abc6a)7(9a5abc)4(xy8z)(xy2z) 7(pqpr)(6pqpr)6a(7a1) 2a(4a5s)(5s2a)2(3s7)4s 10(9n8)(3n7)8(ab4a)(3a3b) 15(abc5a)6(4a5abc)
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