七年级数学整式的加减法计算题大全 125.docx

1、 七年级数学整式的加减法计算题大全七年级数学整式的加减法计算题大全 125 (x2y8xy5)2(x2y8xy9)3 1(x229x15y)(x213x13y)4 4 1 1(5k39k27)(2k36k23k)4 2 (4k25k)(9k27k2)(3a25a2b)(3a23a4b)5x2(7x28x4)(2x4)3y2(7x2y)(4x26y2)5(7x25xyx)(8x22xy6x)4 8 1(xy9y28)(x2xy8y21)7 3 5 1(xyy)(xyx2)6 5 (4y7x6z2)(8y x4z2)(6m22m4)(9m2n9)(5x23x8)2(2x29x)4(x26)8(x2

2、3)(x2y2xy3)7(x2y7xy9)6 1(x213x16y)(x212x23y)7 7 1 1(7k36k24)(6k32k25k)2 4 (7k28k)(8k25k4)(9a28a5b)(6a27a2b)3x2(3x23x2)(2x6)3y2(4x2y)(2x22y2)1(x24xyx)(7x26xy7x)5 1 6(xy y21)(x2xy5y29)7 5 4 1(xyy)(xyx6)5 3 (7y9x2z2)(2y8x3z2)(9m26m4)(2m6n8)(6x26x3)5(9x2 x)2(x23)5(x22)(x2y6xy4)8(x2y4xy5)1 1 (x213x20y)(x

3、220 x24y)6 6 1 1(5k37k25)(9k36k27k)2 4 (4k2 k)(3k25k2)(4a26a3b)(5a22a6b)9x2(9x24x8)(5x2)7y2(x2y)(7x25y2)4(3x26xyx)(6x2 xy8x)5 1 1(xy2y22)(x2xy y27)5 6 5 8(xyy)(xyx4)4 7 (3y x8z2)(4y7x3z2)(2m29m3)(9m2n6)(8x26x8)4(6x29x)8(x22)3(x25)(x2y2xy3)3(x2y9xy8)1 1(x212x19y)(x219x17y)4 4 1 1 (k37k29)(k37k28k)4 3