七年级数学整式的加减法计算题大全 153.docx

1、七年级数学整式的加减法计算题大全 153 (x2y5xy6)8(x2y9xy7) 3 1(x220x20y)(x212x19y) 4 4 1 1(4k37k28)(5k37k25k) 6 3 (6k22k)(4k26k7) (4a27a6b)(2a28a6b) 3x2(9x29x6)( x2) 3y2(4x2y)(5x29y2) 5( x27xyx)(3x24xy2x) 6 1 6(xy2y26)(x2xy9y22) 6 7 1 6(xyy)(xyx5) 6 5 (5y2x9z2)(9y9x9z2) ( m2 m4)( m2n7) (9x25x7)2(7x24x) 3(x22)5(x21) (

2、x2y4xy6)5(x2y4xy7) 1 1(x229x19y)(x215x11y) 6 6 1 1(3k35k26)(5k34k25k) 4 4 (3k29k)(3k26k5) (4a27a9b)(9a29a2b) 4x2(4x2 x8)(2x6) 3y2(6x2y)(9x27y2) 1(3x25xyx)( x26xy4x) 7 5 3(xy3y24)(x2xy4y23) 4 4 5 5(xyy)(xyx4) 4 4 (8y4x z2)(8y x2z2) (6m23m2)(8m2n5) ( x29x1)4(8x2 x) 8(x21)3(x29) (x2y7xy5)6(x2y6xy4) 4 1

3、(x222x11y)(x210x28y) 3 3 1 1(3k34k29)(6k39k26k) 4 4 (4k23k)(8k2 k7) ( a2 a2b)(6a23a4b) 8x2(2x22x5)(2x3) 5y2(6x2y)(9x22y2) 1( x23xyx)(6x29xy7x) 7 1 1(xy3y24)(x2xy5y29) 8 5 4 1(xyy)(xyx9) 3 5 (9y8x9z2)(4y5x4z2) (4m28m9)(9m9n6) (9x28x9)6(8x29x) 4(x22)4(x28) (x2y4xy7)2(x2y8xy4) 3 5(x212x19y)(x214x18y) 4 4 1 1(5k36k29)(7k35k28k) 2 6