1、七年级数学上册合并同类项专项训练449n(4n3) 7n(6n8c)(7c5n)6(7n1)2n 2(6x4)(6x6)6(ab7a)(9a2b) 12(abc3a)5(8a3abc)7(xy2z)(xy6z) 4(pqpr)(8pqpr)3x(9x9) 7x(9x7s)(6sx)7(9b7)8b 5(6m3)(7m8)6(ab2a)(6a8b) 3(abc7a)6(2a4abc)5(xy9z)(xy2z) 4(pqpr)(7pqpr)9x(4x5) x(2x4d)(5dx)9(9m9)7m 7(4n10)(4n5)8(ab7a)(6a8b) 5(abc4a)5(8a4abc)6(xy6z)(
2、xy5z) 9(pqpr)(2pqpr)8n(9n5) n(6n9p)(6p8n)6(5t4)2t 8(7b6)(6b3)2(ab7a)(9a9b) 10(abc7a)7(3a2abc)7(xy4z)(xy4z) 2(pqpr)(5pqpr)8y(2y6) 2y(7y8d)(8d9y)8(4a2)7a 5(4a4)(6a7)8(ab6a)(5a5b) 3(abc4a)4(3a4abc)3(xy4z)(xy4z) 9(pqpr)(2pqpr)5b(9b1) 7b(6b4s)(4sb)6(2b7)9b 1(8b1)(7b5)3(ab8a)(8a9b) 14(abc7a)8(7a3abc)6(xy3
3、z)(xy3z) 9(pqpr)(8pqpr)5n(9n5) 9n(5n5c)(6c9n)5(9t3)4t 3(4n1)(4n5)5(ab6a)(6a3b) 6(abc3a)4(5a2abc)7(xy8z)(xy5z) 3(pqpr)(9pqpr)7n(7n4) 6n(5n5c)(8c9n)3(2s1)9s 4(3a9)(8a3)6(ab3a)(3a2b) 7(abc9a)5(6a4abc)3(xy2z)(xy5z) 2(pqpr)(4pqpr)7b(8b7) b(9b6s)(6sb)6(2s5)3s 8(8n9)(4n9)3(ab8a)(5a7b) 13(abc5a)2(8a9abc)7(x
4、y6z)(xy3z) 6(pqpr)(9pqpr)3m(4m2) m(9m2c)(7cm)2(9a4)4a 8(9a6)(9a10)9(ab2a)(3a3b) 17(abc5a)9(4a2abc)3(xy7z)(xy7z) 9(pqpr)(5pqpr)2a(5a3) 5a(6a9c)(4c4a)9(8n8)9n 4(4b7)(3b10)8(ab4a)(4a4b) 11(abc2a)5(7a9abc)7(xy2z)(xy4z) 5(pqpr)(9pqpr)5a(9a4) a(2a2z)(3za)4(8m4)6m 8(6a5)(3a6)7(ab8a)(4a8b) 2(abc5a)3(3a8abc)
5、4(xy7z)(xy9z) 8(pqpr)(2pqpr)4y(3y4) y(4y9z)(9zy)7(9m2)8m 4(9a4)(8a4)4(ab9a)(4a2b) 10(abc3a)7(5a6abc)9(xy7z)(xy6z) 3(pqpr)(6pqpr)6a(6a8) a(5a9c)(5c8a)2(4a1)3a 5(6b9)(8b3)5(ab2a)(2a5b) 11(abc7a)9(2a9abc)9(xy8z)(xy8z) 4(pqpr)(6pqpr)3y(8y2) y(4y2s)(8s6y)4(5n7)6n 9(3m4)(9m6)6(ab4a)(5a5b) 11(abc6a)4(3a7ab
6、c)3(xy7z)(xy3z) 9(pqpr)(4pqpr)3a(6a9) 4a(8a9q)(8q7a)2(8t6)6t 9(2y2)(3y9)9(ab7a)(3a7b) 20(abc2a)8(5a5abc)2(xy2z)(xy8z) 7(pqpr)(5pqpr)7m(5m5) m(5m2z)(2zm)9(7t4)9t 3(8b8)(8b9)9(ab9a)(3a7b) 6(abc8a)6(3a3abc)5(xy2z)(xy2z) 8(pqpr)(9pqpr)2x(6x6) x(6x9z)(5z9x)8(4t6)9t 10(6m9)(3m2)3(ab7a)(5a9b) 3(abc9a)2(2a5
7、abc)5(xy4z)(xy5z) 5(pqpr)(8pqpr)3m(2m8) m(6m4p)(3pm)9(6n4)9n 2(4n5)(3n9)5(ab6a)(2a7b) 20(abc2a)6(8a7abc)2(xy9z)(xy2z) 5(pqpr)(2pqpr)7y(3y8) 3y(4y7c)(3cy)7(2n2)9n 1(7b1)(5b7)7(ab7a)(2a2b) 4(abc9a)5(7a7abc)3(xy4z)(xy3z) 4(pqpr)(4pqpr)2n(9n6) 9n(8n2s)(9s7n)2(5n5)4n 1(4m6)(6m9)2(ab2a)(4a8b) 2(abc9a)7(7a
8、6abc)7(xy4z)(xy7z) 5(pqpr)(4pqpr)5x(4x8) x(7x9c)(2cx)2(6a9)5a 6(6y9)(2y5)3(ab3a)(9a2b) 15(abc3a)6(3a3abc)8(xy2z)(xy3z) 7(pqpr)(6pqpr)7a(4a7) 2a(7a6z)(7za)3(7m5)7m 4(5m3)(9m2)9(ab4a)(8a5b) 4(abc6a)2(6a3abc)7(xy5z)(xy2z) 6(pqpr)(8pqpr)3m(3m4) 2m(5m7s)(2s5m)6(5b8)8b 6(3n5)(7n4)7(ab5a)(8a9b) 12(abc7a)9(
9、8a8abc)7(xy7z)(xy3z) 4(pqpr)(6pqpr)4x(2x5) x(9x2d)(3d6x)4(9n9)5n 3(8m4)(5m5)8(ab3a)(3a2b) 3(abc2a)4(2a2abc)4(xy6z)(xy4z) 3(pqpr)(7pqpr)4b(4b3) 2b(7b9z)(6zb)4(7a9)4a 10(3m4)(4m6)5(ab3a)(8a8b) 6(abc6a)4(5a5abc)6(xy4z)(xy4z) 9(pqpr)(2pqpr)8m(7m2) m(6m2p)(9p8m)4(3m2)7m 10(5n5)(7n10)5(ab3a)(3a4b) 9(abc2a
10、)9(7a7abc)6(xy8z)(xy9z) 3(pqpr)(8pqpr)3b(2b1) b(3b7d)(3db)3(6a1)4a 5(4m3)(4m2)6(ab9a)(2a9b) 2(abc8a)3(6a8abc)7(xy6z)(xy2z) 4(pqpr)(7pqpr)5n(6n6) n(5n3p)(7p5n)3(8m9)7m 6(9x5)(8x10)7(ab2a)(8a8b) 19(abc5a)4(7a7abc)9(xy3z)(xy3z) 3(pqpr)(4pqpr)3x(6x9) x(9x2c)(7c6x)2(9n4)2n 3(4m9)(3m9)3(ab8a)(5a4b) 6(abc9
11、a)6(7a6abc)3(xy5z)(xy3z) 6(pqpr)(7pqpr)5b(9b8) b(3b3d)(2db)3(9m6)9m 4(8x2)(3x1)8(ab2a)(8a9b) 15(abc3a)7(4a3abc)5(xy4z)(xy2z) 5(pqpr)(7pqpr)3x(3x1) x(3x9p)(5px)6(7s4)5s 3(5n7)(8n4)3(ab9a)(8a5b) 11(abc7a)6(4a9abc)8(xy5z)(xy3z) 2(pqpr)(7pqpr)6y(7y5) 2y(6y9q)(5qy)2(8t2)4t 7(5n1)(8n9)6(ab7a)(6a6b) 8(abc5
12、a)5(4a3abc)3(xy2z)(xy8z) 9(pqpr)(9pqpr)2a(7a7) 6a(5a7d)(3da)6(9n2)3n 9(9b6)(2b5)7(ab6a)(4a6b) 7(abc2a)5(2a8abc)9(xy4z)(xy4z) 6(pqpr)(2pqpr)3x(8x2) 7x(2x4q)(6q5x)3(6n8)7n 6(5x8)(4x9)4(ab3a)(8a7b) 13(abc4a)4(4a4abc)3(xy6z)(xy5z) 8(pqpr)(5pqpr)7x(4x5) 7x(8x8s)(5s8x)6(4m6)2m 3(2a4)(3a4)3(ab6a)(2a3b) 12(
13、abc2a)5(2a9abc)8(xy4z)(xy4z) 5(pqpr)(6pqpr)7x(5x6) 2x(7x6p)(3p8x)5(3t1)2t 1(3b9)(5b8)3(ab6a)(3a7b) 17(abc3a)9(3a4abc)7(xy7z)(xy2z) 5(pqpr)(3pqpr)7m(7m9) m(7m5c)(5c2m)6(7m2)3m 7(5m4)(7m9)3(ab4a)(4a7b) 16(abc7a)5(2a8abc)2(xy3z)(xy4z) 8(pqpr)(6pqpr)4y(4y3) 5y(3y7s)(4s8y)6(6s5)7s 7(5m4)(9m10)3(ab7a)(5a4
14、b) 6(abc4a)6(7a2abc)2(xy3z)(xy3z) 9(pqpr)(5pqpr)8b(6b7) 9b(5b8d)(8d9b)8(2t2)9t 1(9y9)(5y9)4(ab4a)(6a5b) 12(abc6a)8(2a7abc)5(xy9z)(xy2z) 4(pqpr)(8pqpr)2y(6y9) y(7y3q)(8q7y)7(2t6)6t 4(6y8)(9y2)5(ab5a)(8a4b) 14(abc4a)7(4a2abc)8(xy8z)(xy4z) 6(pqpr)(3pqpr)8y(6y4) y(7y4c)(9cy)2(9s4)6s 3(8a8)(7a8)5(ab6a)(3
15、a6b) 5(abc9a)7(9a3abc)9(xy7z)(xy2z) 5(pqpr)(5pqpr)6b(4b4) 3b(3b6c)(5cb)6(2m10)6m 5(2a3)(8a9)4(ab9a)(6a7b) 6(abc5a)5(7a4abc)6(xy9z)(xy7z) 6(pqpr)(4pqpr)8y(9y1) y(6y3q)(6q2y)4(5b10)7b 8(5n5)(8n9)5(ab2a)(8a3b) 14(abc6a)5(2a4abc)3(xy8z)(xy6z) 6(pqpr)(4pqpr)2a(9a4) 7a(9a5d)(6d6a)7(5b8)8b 4(5m8)(7m6)6(ab2
16、a)(5a7b) 2(abc4a)4(9a3abc)6(xy8z)(xy6z) 7(pqpr)(8pqpr)3m(7m3) 4m(5m2z)(4z7m)6(5a3)7a 1(8a9)(3a8)8(ab8a)(7a5b) 17(abc4a)4(8a3abc)5(xy6z)(xy8z) 2(pqpr)(8pqpr)7y(9y2) y(9y5q)(7qy)9(3a6)8a 6(3y8)(7y7)7(ab8a)(4a3b) 4(abc7a)8(5a6abc)8(xy8z)(xy8z) 9(pqpr)(8pqpr)8m(4m2) 4m(5m7q)(6q7m)5(6m4)4m 4(8m1)(8m9)5(a
17、b7a)(7a3b) 20(abc7a)2(5a5abc)3(xy3z)(xy4z) 9(pqpr)(7pqpr)6y(5y3) 8y(5y2c)(2c7y)7(9b10)7b 1(3x4)(4x7)5(ab4a)(2a8b) 7(abc6a)9(6a9abc)7(xy6z)(xy4z) 8(pqpr)(5pqpr)9x(3x8) x(9x6q)(7q8x)4(6m7)4m 8(9a10)(4a4)8(ab5a)(5a6b) 17(abc2a)6(7a8abc)7(xy3z)(xy7z) 4(pqpr)(2pqpr)5m(6m8) 7m(5m6s)(9sm)2(6m3)2m 5(4n10)(8
18、n8)8(ab4a)(8a7b) 17(abc2a)9(3a3abc)5(xy4z)(xy8z) 3(pqpr)(2pqpr)2y(7y3) y(7y6c)(8c4y)8(3m1)5m 8(3b9)(2b10)2(ab8a)(7a3b) 5(abc8a)4(3a6abc)9(xy4z)(xy7z) 7(pqpr)(7pqpr)6m(9m2) 5m(8m8c)(9c5m)6(2a8)2a 3(6x9)(2x6)7(ab9a)(9a3b) 20(abc2a)8(4a9abc)7(xy7z)(xy7z) 5(pqpr)(6pqpr)6b(3b4) 6b(9b2d)(9d9b)6(3b6)3b 8(2
19、x2)(2x9)6(ab8a)(5a7b) 6(abc4a)6(6a7abc)2(xy3z)(xy9z) 7(pqpr)(6pqpr)9b(6b4) b(2b9s)(6s8b)8(7a8)2a 8(8a10)(5a8)7(ab2a)(6a4b) 2(abc2a)2(5a2abc)9(xy3z)(xy2z) 7(pqpr)(6pqpr)5a(3a2) a(4a9s)(5sa)2(7n8)4n 2(5m7)(2m3)6(ab3a)(6a4b) 8(abc2a)2(9a5abc)2(xy9z)(xy3z) 6(pqpr)(9pqpr)3a(6a1) a(8a6d)(3da)8(5n9)3n 4(6a
20、8)(7a7)8(ab6a)(2a4b) 20(abc4a)6(4a7abc)6(xy4z)(xy9z) 7(pqpr)(4pqpr)4a(5a8) a(6a3d)(5d3a)6(2a7)9a 7(6a2)(6a3)3(ab4a)(7a3b) 8(abc6a)9(5a3abc)4(xy9z)(xy6z) 8(pqpr)(6pqpr)4m(3m8) 8m(5m9z)(6zm)3(3m6)6m 6(9y7)(6y6)5(ab7a)(7a6b) 15(abc4a)8(7a9abc)7(xy6z)(xy8z) 7(pqpr)(2pqpr)7m(3m9) 9m(6m2p)(9pm)2(9n9)6n 8(8b6)(4b3)7(ab5a)(5a7b) 16(abc5a)5(5a6abc)8(xy6z)(xy2z) 8(pqpr)(7pqpr)
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