七年级数学下册计算题大全124.docx

1、七年级数学下册计算题大全124 8(8x29xyx)( x27xy6x) 7 1 4(xy y28)(x2xy7y22) 7 3 2 4(xyy)(xyx7) 3 5 (3y9x7z2)(9y8x9z2) (8k26k)(9k2 k1) (6a23a8b)(3a29a3b) 6x2(7x22x2)(9x8) 4y2(4x2y)(6x25y2) 1( x23xyx)(7x2 xy2x) 7 4 9(xy y24)(x2xy y21) 5 8 9 1(xyy)(xyx3) 8 8 (2y4x z2)(5y9x5z2) (2k24k)(5k27k5) (8a27a b)(4a29a7b) 5x2(5

2、x26x5)(5x3) 7y2(5x2y)(4x2 y2) 1(7x22xyx)(8x22xy5x) 7 1 7(xy2y21)(x2xy3y26) 4 8 1 8(xyy)(xyx6) 5 7 (8y6x7z2)(8y6x4z2) (2k24k)(8k25k1) (7a25a7b)(3a22a4b) 5x2(3x24x9)(8x8) 2y2(4x2y)(3x25y2) 1(4x22xyx)(4x25xy x) 6 1 2(xy9y23)(x2xy5y23) 6 3 8 5(xyy)(xyx6) 7 4 (8y x8z2)(9y x7z2) (2k28k)(5k28k6) (7a29a2b)(

3、9a27a9b) 9x2( x22x4)(3x6) 9y2(3x2y)(6x22y2) 4(3x23xyx)(7x24xy3x) 5 5 3(xy y26)(x2xy9y27) 6 4 1 1(xyy)(xyx8) 6 6 (3y4x5z2)(3y5x9z2) (4k22k)( k22k7) (5a23a9b)(7a23a b) 4x2(7x23x6)(5x2) 5y2(6x2y)(4x23y2) 1(5x29xyx)(4x27xy9x) 4 4 4(xy2y26)(x2xy3y29) 5 3 8 8(xyy)(xyx4) 7 7 (8y3x8z2)(5y2x7z2) (3k29k)(8k26

4、k4) (9a2 a2b)(3a27a4b) 7x2(4x24x4)(4x3) 8y2(4x2y)(5x28y2) 1(6x26xyx)(5x23xy5x) 3 1 1(xy5y21)(x2xy7y29) 5 5 1 1(xyy)(xyx4) 4 6 (2y3x3z2)(2y x3z2) (7k26k)(9k28k3) (7a29a9b)(8a25a6b) 8x2(6x23x8)(8x6) 4y2(4x2y)(3x26y2) 3( x24xyx)(2x26xy2x) 4 1 1(xy y27)(x2xy5y21) 7 4 6 6(xyy)(xyx2) 5 5 (5y3x4z2)(8y9x4z2

5、) (8k24k)(9k2 k8) ( a24a8b)( a26a6b) 2x2(3x24x5)( x6) 2y2(3x2y)(5x24y2) 1(4x25xyx)(3x22xy4x) 4 1 5(xy7y26)(x2xy y24) 8 4 1 8(xyy)(xyx2) 6 7 (8y8x7z2)(2y7x4z2) (6k22k)( k27k3) (8a23a7b)(8a25a6b) 7x2(3x23x1)(7x5) 4y2(7x2y)(4x23y2) 7(3x28xyx)(6x22xy2x) 8 6 5(xy5y22)(x2xy2y21) 7 6 3 1(xyy)(xyx5) 4 5 (4y

6、 x2z2)(5y2x5z2) (8k2 k)(3k22k6) (5a24a5b)(9a23a2b) x2(9x23x1)(5x3) 9y2(5x2y)(8x25y2) 6(4x26xyx)(4x24xy2x) 5 7 1(xy9y22)(x2xy8y22) 6 5 6 6(xyy)(xyx7) 7 7 (5y4x4z2)(4y9x z2) (4k24k)(7k26k1) (2a29a9b)(4a22a9b) 6x2(5x25x6)(7x3) 7y2( x2y)(2x24y2) 4(3x2 xyx)(7x28xy7x) 5 6 7(xy3y21)(x2xy2y29) 5 6 1 5(xyy)(xyx7) 3 6 (6y4x9z2)( y8x z2) (6k2 k)( k2 k5) (5a24a4b)(7a22a4b) 5x2(3x29x4)(5x4) 3y2(5x2y)(7x28y2) 1(4x26xyx)(3x25xy2x) 6 1 4(xy9y23)(x2xy2y23) 8 5 6 4(xyy)(xyx2) 5 5 (4y3x4z2)( y4x9z2)