七年级数学上册合并同类项练习题精编155.docx

1、七年级数学上册合并同类项练习题精编1559(ab5a)(7a5b) 15(abc6a)2(3a7abc)5(xy7z)(xy2z) 8(pqpr)(5pqpr)8n(6n2) n(8n8s)(7sn)4(9b1)3b 5(9y3)(2y7)8(ab4a)(5a8b) 5(abc6a)9(7a3abc)5(xy2z)(xy6z) 3(pqpr)(8pqpr)6x(6x5) x(5x3z)(9zx)4(4t6)9t 8(2y5)(6y4)5(ab2a)(6a9b) 20(abc8a)2(5a2abc)8(xy2z)(xy4z) 9(pqpr)(6pqpr)4y(5y8) 5y(2y9z)(6z2y

2、)5(4t1)2t 5(3a9)(2a2)6(ab4a)(3a4b) 6(abc3a)5(5a4abc)9(xy4z)(xy3z) 3(pqpr)(3pqpr)3x(7x7) 4x(3x7s)(5s8x)2(2s2)7s 4(3a4)(4a8)9(ab7a)(9a5b) 12(abc6a)3(2a5abc)4(xy5z)(xy5z) 4(pqpr)(7pqpr)4b(4b8) b(3b3s)(2sb)2(3n3)6n 9(6a10)(4a7)5(ab9a)(9a5b) 14(abc2a)3(7a7abc)7(xy6z)(xy7z) 7(pqpr)(9pqpr)3y(7y8) 6y(5y8c)(

3、5cy)7(8t2)9t 8(5b10)(5b7)2(ab8a)(4a9b) 15(abc2a)5(2a9abc)3(xy5z)(xy9z) 4(pqpr)(6pqpr)3n(5n9) 4n(4n4s)(3sn)6(9a2)7a 9(3y5)(5y5)3(ab7a)(4a7b) 15(abc9a)2(6a7abc)8(xy2z)(xy8z) 4(pqpr)(3pqpr)8a(3a2) a(6a6c)(8c7a)5(2b9)8b 1(2m1)(3m5)8(ab3a)(5a5b) 8(abc7a)3(3a8abc)4(xy2z)(xy7z) 5(pqpr)(8pqpr)2y(8y3) 7y(4y2

4、s)(8s8y)4(8m10)9m 9(5m1)(6m3)5(ab9a)(6a8b) 18(abc6a)9(8a5abc)6(xy8z)(xy3z) 2(pqpr)(2pqpr)9x(6x1) x(6x5d)(6dx)5(2b2)8b 10(2b10)(4b6)6(ab3a)(4a6b) 2(abc7a)5(3a8abc)4(xy6z)(xy6z) 8(pqpr)(9pqpr)6y(7y1) y(5y4z)(6z3y)2(7t6)2t 6(3b6)(5b9)4(ab7a)(8a9b) 4(abc3a)5(5a8abc)4(xy4z)(xy2z) 3(pqpr)(7pqpr)9y(8y1) 3y

5、(6y2z)(9z4y)5(5a5)8a 8(9x9)(9x3)9(ab5a)(2a8b) 6(abc8a)7(8a3abc)5(xy8z)(xy6z) 3(pqpr)(4pqpr)6m(8m1) 3m(8m6c)(6c4m)4(3s2)5s 2(4m10)(9m5)5(ab9a)(2a2b) 10(abc9a)8(7a8abc)7(xy3z)(xy7z) 5(pqpr)(9pqpr)9y(2y9) 5y(7y5c)(3cy)4(2n1)3n 5(6b10)(8b3)9(ab8a)(6a8b) 20(abc6a)4(5a5abc)8(xy5z)(xy4z) 9(pqpr)(5pqpr)7y(4

6、y5) y(3y8d)(4d8y)9(9n5)8n 5(5a5)(3a3)4(ab7a)(2a9b) 5(abc8a)7(8a7abc)9(xy5z)(xy8z) 5(pqpr)(8pqpr)4a(7a7) 6a(5a4d)(9da)4(6b4)6b 4(4m10)(4m1)8(ab8a)(7a7b) 5(abc8a)8(6a4abc)2(xy8z)(xy7z) 6(pqpr)(6pqpr)9n(9n6) n(3n8c)(3c8n)2(8a7)3a 5(8x3)(2x9)3(ab9a)(3a3b) 10(abc7a)9(9a3abc)5(xy6z)(xy6z) 9(pqpr)(4pqpr)7m(8m4) m(9m3d)(8dm)8(2s7)7s 10(2a1)(5a5)5(ab5a)(7a6b) 13(abc8a)2(4a3abc)5(xy5z)(xy2z) 4(pqpr)(8pqpr)7b(6b6) b(9b2p)(7pb)