1、七年级数学上册合并同类项基础练习题809(ab2a)(5a5b) 4(abc4a)9(8a4abc)3(xy3z)(xy7z) 9(pqpr)(8pqpr)7x(9x1) 9x(5x8q)(9q5x)2(9s1)8s 8(6n8)(8n8)7(ab3a)(3a6b) 18(abc2a)3(7a5abc)9(xy9z)(xy5z) 9(pqpr)(7pqpr)7a(5a8) a(4a2d)(7da)3(5n3)6n 7(6n9)(6n2)5(ab2a)(9a7b) 17(abc3a)4(3a2abc)7(xy2z)(xy5z) 9(pqpr)(6pqpr)5y(3y8) 8y(6y2s)(3s3
2、y)6(8t5)7t 7(6m4)(8m8)6(ab5a)(3a4b) 3(abc6a)8(7a3abc)3(xy3z)(xy3z) 3(pqpr)(2pqpr)9x(5x7) x(8x7c)(2cx)8(4b6)6b 7(5n1)(4n1)9(ab7a)(3a2b) 18(abc5a)2(4a9abc)7(xy8z)(xy4z) 7(pqpr)(3pqpr)3n(8n1) 6n(6n2q)(6q3n)3(6s5)4s 2(2n6)(8n5)3(ab9a)(8a8b) 2(abc8a)6(3a3abc)8(xy6z)(xy3z) 6(pqpr)(6pqpr)3x(4x5) 9x(3x6c)(4
3、cx)9(5b8)6b 8(7y6)(3y9)6(ab7a)(3a2b) 5(abc9a)6(4a6abc)7(xy8z)(xy2z) 2(pqpr)(8pqpr)2n(9n3) 4n(7n5c)(8c4n)2(5m9)9m 9(5b10)(5b3)5(ab6a)(4a2b) 10(abc7a)9(2a9abc)6(xy2z)(xy6z) 5(pqpr)(5pqpr)9m(9m4) m(8m9q)(6qm)8(5n7)3n 8(9m8)(9m3)8(ab7a)(7a6b) 2(abc2a)7(6a8abc)3(xy8z)(xy6z) 7(pqpr)(4pqpr)7b(3b3) 2b(2b7p)
4、(7p8b)4(6a5)5a 1(9x9)(7x2)5(ab5a)(6a5b) 14(abc4a)6(3a4abc)8(xy7z)(xy7z) 2(pqpr)(5pqpr)4x(8x6) 3x(7x8q)(7q3x)7(6s7)9s 2(5b3)(2b8)5(ab3a)(5a7b) 4(abc4a)7(7a5abc)5(xy6z)(xy7z) 6(pqpr)(2pqpr)4b(7b6) 6b(6b5z)(7z6b)5(3t6)9t 10(7n1)(4n9)6(ab2a)(2a8b) 2(abc7a)9(9a2abc)8(xy7z)(xy3z) 5(pqpr)(8pqpr)6y(2y3) 4y(
5、9y6c)(9c5y)4(4m1)2m 3(6m2)(3m3)4(ab2a)(5a2b) 17(abc6a)8(6a8abc)4(xy5z)(xy9z) 4(pqpr)(4pqpr)2x(2x8) x(5x2z)(4zx)2(5n4)8n 2(4b5)(3b1)7(ab7a)(4a8b) 20(abc5a)3(8a9abc)4(xy9z)(xy9z) 2(pqpr)(6pqpr)7n(9n7) 2n(7n8z)(3zn)7(7a10)6a 7(4y7)(3y3)3(ab5a)(3a9b) 3(abc9a)7(3a2abc)8(xy2z)(xy7z) 8(pqpr)(4pqpr)4y(8y2)
6、y(2y9s)(6s6y)4(4b10)4b 8(7a1)(2a4)6(ab4a)(2a6b) 11(abc4a)9(9a3abc)4(xy5z)(xy5z) 3(pqpr)(9pqpr)2n(2n7) 4n(4n5p)(3pn)2(2a10)7a 3(6y4)(5y3)9(ab4a)(2a7b) 20(abc9a)7(3a9abc)6(xy8z)(xy5z) 2(pqpr)(8pqpr)2y(2y4) 6y(5y3s)(9s2y)7(5a5)4a 9(8n2)(5n2)8(ab7a)(2a5b) 12(abc3a)6(5a2abc)5(xy3z)(xy9z) 6(pqpr)(2pqpr)6n
7、(5n7) n(6n5p)(3p8n)5(7m5)6m 8(6n9)(3n7)6(ab5a)(9a2b) 12(abc3a)7(8a2abc)5(xy2z)(xy9z) 5(pqpr)(5pqpr)3m(5m2) 9m(7m4q)(4q4m)9(9a1)5a 5(9n9)(4n8)7(ab2a)(7a9b) 5(abc7a)5(3a9abc)7(xy4z)(xy8z) 7(pqpr)(9pqpr)3m(2m1) m(3m3q)(7q7m)4(7b4)8b 6(4y2)(4y1)3(ab3a)(8a8b) 18(abc3a)4(2a9abc)9(xy2z)(xy6z) 8(pqpr)(3pqpr)9x(7x4) x(9x5p)(5p5x)2(3t9)3t 6(3n7)(8n9)9(ab3a)(9a6b) 13(abc8a)7(6a8abc)2(xy8z)(xy9z) 3(pqpr)(5pqpr)9x(8x7) x(4x5c)(8cx)3(8t3)9t 7(6n3)(7n7)9(ab4a)(8a4b) 4(abc3a)9(8a3abc)8(xy9z)(xy7z) 3(pqpr)(2pqpr)
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