七年级数学下册计算题大全105.docx

1、七年级数学下册计算题大全105 (2k27k)( k24k4) (2a24a9b)(4a25a b) x2( x28x9)(6x4) 3y2(2x2y)(9x23y2) 6(7x26xyx)(4x28xy6x) 7 1 4(xy7y27)(x2xy8y28) 5 5 1 7(xyy)(xyx1) 7 6 ( y8x9z2)( y8x4z2) (8k25k)(4k23k7) (3a2 a7b)(6a2 a8b) 8x2(7x28x5)(8x5) 6y2(7x2y)(4x24y2) 7(4x24xyx)(6x25xy8x) 8 1 3(xy3y26)(x2xy6y21) 4 4 1 6(xyy)(

2、xyx8) 6 5 (8y x3z2)(4y8x3z2) (5k27k)(3k24k7) (3a29a b)( a26a3b) 4x2( x24x2)(5x8) 4y2( x2y)(5x26y2) 1(7x29xyx)( x28xy2x) 6 3 1(xy8y28)(x2xy4y26) 4 7 2 1(xyy)(xyx6) 3 7 ( y6x6z2)(8y x3z2) (7k27k)( k2 k8) ( a28a6b)(7a26a2b) 9x2(2x23x8)(5x2) y2(9x2y)(9x24y2) 1( x26xyx)(5x2 xy x) 6 1 2(xy8y26)(x2xy4y26)

3、3 3 3 7(xyy)(xyx3) 4 6 (8y7x8z2)(4y5x5z2) (7k29k)(5k27k4) ( a29a b)(3a29a5b) 2x2(5x29x8)(7x6) 4y2(2x2y)(6x24y2) 5(4x29xyx)(6x2 xy9x) 6 1 4(xy8y23)(x2xy9y28) 4 5 7 6(xyy)(xyx9) 8 7 (8y5x5z2)( y8x2z2) (3k2 k)(9k2 k4) (4a25a4b)(7a25a b) 7x2(3x27x5)(7x5) 8y2(6x2y)(5x27y2) 1(5x28xyx)(3x25xy3x) 6 1 9(xy4y

4、26)(x2xy5y22) 4 8 5 5(xyy)(xyx5) 6 6 (8y9x5z2)(5y5x2z2) (9k23k)(7k28k3) (8a26a9b)(8a24a9b) 9x2(6x26x9)(9x9) 4y2(7x2y)(9x23y2) 1(7x24xyx)(3x29xy5x) 5 9 5(xy4y25)(x2xy6y23) 8 4 3 1(xyy)(xyx6) 4 5 (7y6x8z2)(8y5x6z2) (6k26k)(2k29k4) (9a22a9b)(6a28a9b) x2(7x29x2)(6x4) 8y2(3x2y)(8x28y2) 6(3x29xyx)(4x2 xy2

5、x) 7 1 1(xy2y24)(x2xy9y26) 5 3 7 1(xyy)(xyx1) 6 8 (7y8x3z2)(4y5x8z2) (7k22k)(9k25k3) (2a22a8b)(9a24a b) 8x2(4x29x6)(9x7) y2(2x2y)(3x24y2) 7(7x28xyx)(6x26xy2x) 8 1 6(xy4y21)(x2xy8y21) 3 7 1 1(xyy)(xyx6) 6 4 (8y6x2z2)(2y6x4z2) (9k28k)( k22k7) (4a24a b)(7a25a4b) 2x2( x22x2)(8x1) 3y2(3x2y)(9x22y2) 1(8x2

6、4xyx)(4x29xy2x) 4 9 1(xy y22)(x2xy y21) 8 6 1 1(xyy)(xyx4) 6 5 (5y2x4z2)(8y2x8z2) (6k28k)(6k26k7) (6a22a8b)(9a2 a b) 8x2(6x26x3)(4x4) 8y2(6x2y)(9x26y2) 1(3x29xyx)(8x28xy9x) 6 1 4(xy7y22)(x2xy6y28) 6 5 6 1(xyy)(xyx5) 5 8 (2y5x2z2)(8y6x6z2) (6k26k)(2k2 k6) (9a25a6b)(3a23a3b) 6x2(5x29x9)(7x6) 4y2( x2y)(3x29y2) 1(5x23xyx)(7x29xy4x) 3 6 5(xy y22)(x2xy y27) 7 6 1 4(xyy)(xyx8) 7 5 ( y3x z2)(2y7x7z2) (3k24k)(6k26k4) (3a22a7b)(6a2 a7b) x2(4x26x8)(8x2) y2(3x2y)(6x29y2)