七年级数学整式的加减法计算题大全 155.docx

1、七年级数学整式的加减法计算题大全 155 6y2(7x2y)( x23y2) 4(9x2 xyx)(8x28xy8x) 5 1 6(xy4y27)(x2xy6y25) 8 7 6 1(xyy)(xyx7) 5 3 (5y3x6z2)(6y4x4z2) (4m29m9)(8m4n1) (6x26x2)4(5x29x) 5(x27)2(x28) (x2y6xy6)9(x2y2xy4) 6 6(x215x15y)(x210x15y) 7 7 1 1( k36k26)(9k3 k26k) 2 6 (3k29k)( k26k1) (5a22a3b)(6a22a b) 5x2( x22x1)(2x4) 6

2、y2(4x2y)(4x25y2) 7(2x29xyx)(4x2 xy2x) 8 7 7(xy8y26)(x2xy5y29) 8 8 4 6(xyy)(xyx6) 3 5 (3y9x z2)(2y8x z2) (6m26m6)(3m5n6) (9x22x8)2(7x29x) 8(x29)8(x25) (x2y3xy8)5(x2y6xy6) 1 6(x219x17y)(x211x11y) 7 7 1 1(3k32k21)(4k36k26k) 6 3 (6k23k)(3k2 k4) (3a26a9b)(9a2 a b) 8x2(6x23x3)(6x7) 4y2(6x2y)(6x28y2) 5( x2

3、3xyx)( x29xy9x) 6 1 1(xy6y26)(x2xy5y24) 7 6 8 1(xyy)(xyx8) 7 5 (5y8x9z2)(8y4x3z2) (2m26m7)(2m7n2) (5x27x8)6(3x22x) 3(x25)3(x26) (x2y3xy4)9(x2y6xy8) 4 6(x217x16y)(x220x25y) 5 5 1 1(6k37k24)(7k34k25k) 6 5 (9k22k)(8k22k1) (9a23a6b)(3a24a8b) 8x2( x26x4)( x7) 4y2(8x2y)(7x28y2) 1(7x28xyx)(5x22xy2x) 4 2 4(xy8y26)(x2xy2y23) 3 5