七年级数学下册计算题大全235.docx

1、七年级数学下册计算题大全235 (9k2 k)(5k29k9) (3a29a9b)(7a23a b) 7x2(4x22x6)(5x4) 9y2(3x2y)(3x28y2) 4( x28xyx)(5x2 xy x) 3 1 6(xy2y29)(x2xy7y23) 4 5 7 6(xyy)(xyx2) 8 5 ( y6x7z2)(8y3x z2) (8k27k)(7k26k3) (3a26a9b)(5a29a5b) 6x2(4x25x6)(2x7) 6y2(7x2y)(7x22y2) 7(2x27xyx)(4x27xy9x) 6 1 6(xy3y21)(x2xy5y22) 5 7 9 7(xyy)

2、(xyx9) 8 6 (8y8x4z2)(5y3x7z2) (6k27k)(9k25k5) (5a26a2b)(7a27a3b) 6x2(2x29x2)(5x6) 7y2(2x2y)( x2 y2) 1(4x26xyx)(2x25xy2x) 4 8 1(xy3y29)(x2xy4y29) 7 5 2 4(xyy)(xyx2) 3 3 (6y3x6z2)(2y6x z2) (2k28k)(2k26k9) (2a27a7b)( a23a6b) 5x2(2x22x5)(3x9) y2(7x2y)(3x23y2) 3(8x24xyx)(2x22xy5x) 4 5 1(xy4y25)(x2xy2y21)

3、 4 5 1 1(xyy)(xyx5) 5 6 (8y5x6z2)(2y6x7z2) (2k23k)(5k27k3) (8a2 a2b)(8a24a4b) 9x2(4x29x3)(8x1) 7y2( x2y)(3x29y2) 9(6x27xyx)(4x2 xy x) 8 6 1(xy5y29)(x2xy2y24) 5 7 1 1(xyy)(xyx6) 6 4 (4y4x4z2)(7y7x5z2) (8k24k)(6k2 k2) (5a26a5b)(8a23a4b) 8x2(8x27x5)(6x4) 9y2(6x2y)(2x25y2) 1(8x26xyx)(4x23xy6x) 5 1 7(xy5

4、y28)(x2xy7y22) 7 6 1 1(xyy)(xyx2) 7 4 (2y3x9z2)( y4x5z2) (7k29k)(3k27k9) (3a26a b)(2a24a b) 3x2(3x23x2)(6x8) 2y2(2x2y)(7x27y2) 1(6x23xyx)(6x22xy x) 7 1 1(xy5y28)(x2xy2y26) 8 3 4 1(xyy)(xyx8) 5 8 (5y6x3z2)(9y4x5z2) (2k25k)(2k28k1) (7a2 a2b)(4a25a9b) 5x2( x24x2)(2x5) 8y2(3x2y)(6x23y2) 6( x2 xyx)(3x25x

5、y5x) 5 1 5(xy3y27)(x2xy5y29) 5 6 1 5(xyy)(xyx6) 3 4 (3y4x6z2)(4y6x4z2) (7k22k)(9k29k7) (3a2 a b)( a2 a5b) 3x2(2x25x6)(8x1) 7y2(6x2y)(3x23y2) 3(5x2 xyx)(3x22xy x) 4 1 1(xy2y22)(x2xy8y29) 7 4 1 8(xyy)(xyx8) 8 7 (4y5x7z2)(5y5x6z2) (7k22k)(6k25k7) (6a2 a5b)(4a27a b) 5x2(5x24x5)( x6) 9y2(8x2y)( x29y2) 6(

6、8x29xyx)(2x26xy8x) 7 5 1(xy6y22)(x2xy5y24) 6 8 8 7(xyy)(xyx8) 7 8 ( y8x4z2)(9y4x5z2) ( k29k)(7k23k5) (7a28a6b)(8a26a b) 2x2(9x23x4)(4x3) 8y2(2x2y)(9x25y2) 1(9x24xyx)(6x28xy6x) 3 1 4(xy7y26)(x2xy9y25) 7 3 7 1(xyy)(xyx7) 8 3 ( y3x7z2)(6y5x2z2) (3k23k)(8k28k4) (2a24a3b)(9a25a9b) 7x2(4x2 x2)(5x9) 3y2(3x2y)(5x27y2) 6(2x2 xyx)( x26xy5x) 7 1 1(xy2y22)(x2xy2y25) 3 6 1 9(xyy)(xyx2) 3 8 (2y8x2z2)(7y8x8z2) (2k28k)(9k23k8) (3a2 a9b)(4a26a b) 8x2(6x26x5)(5x7) 2y2(5x2y)(6x24y2)