1、七年级数学整式的加减法计算题大全 343 (4y6x5z2)(9y2x4z2) (9m29m5)( m9n6) ( x22x6)8(9x23x) 2(x26)8(x28) (x2y6xy3)2(x2y2xy3) 4 1(x228x13y)(x212x14y) 5 5 1 1( k33k21)(7k3 k23k) 4 3 (5k26k)(4k2 k9) ( a26a8b)(4a29a3b) 4x2( x25x6)(4x1) 3y2(2x2y)(9x29y2) 6(2x23xyx)(4x24xy x) 7 9 1(xy2y22)(x2xy y26) 8 8 1 5(xyy)(xyx8) 4 4 (
2、6y x5z2)( y3x z2) (4m27m8)(8m3n4) (4x26x8)4(2x26x) 5(x26)7(x22) (x2y9xy9)4(x2y6xy3) 1 1(x215x12y)(x214x28y) 4 4 1 1(4k34k25)(9k3 k24k) 6 4 (5k28k)(7k23k5) (2a25a6b)(5a26a5b) 6x2(6x25x9)(5x8) 7y2(4x2y)( x28y2) 1(5x25xyx)( x25xy6x) 7 2 6(xy6y26)(x2xy2y28) 3 5 2 1(xyy)(xyx1) 3 7 (2y3x5z2)(6y5x7z2) (4m2
3、5m3)(4m8n5) (3x28x6)6(9x2 x) 6(x26)5(x26) (x2y4xy5)4(x2y4xy5) 1 6(x217x19y)(x217x14y) 7 7 1 1(4k36k23)( k33k21k) 6 4 (8k26k)(7k26k8) (5a26a4b)(8a26a7b) 7x2( x28x1)(3x7) 9y2(3x2y)(5x28y2) 1(4x2 xyx)(9x29xy x) 5 8 1(xy6y22)(x2xy7y29) 7 3 3 5(xyy)(xyx4) 4 6 (9y5x8z2)(5y x3z2) (7m26m4)(9m4n9) (5x2 x6)5(3x26x)