七年级数学下册计算题大全242.docx

1、七年级数学下册计算题大全242 7(6x28xyx)(5x2 xy8x) 8 7 3(xy3y28)(x2xy y24) 8 4 1 4(xyy)(xyx4) 5 3 (5y5x4z2)( y6x6z2) (9k27k)(7k27k3) (2a27a8b)(6a26a3b) 3x2(7x26x7)(9x8) 4y2(7x2y)(3x28y2) 1(2x28xyx)(6x28xy2x) 5 1 8(xy4y21)(x2xy5y27) 8 7 1 9(xyy)(xyx1) 4 8 (2y5x4z2)(6y4x5z2) (7k25k)(4k2 k3) (8a28a5b)(6a24a3b) 4x2(6

2、x27x1)(7x3) 3y2(9x2y)(5x26y2) 5(4x29xyx)(2x23xy8x) 4 1 5(xy9y25)(x2xy7y24) 8 4 1 5(xyy)(xyx6) 6 4 ( y8x7z2)(2y7x8z2) (5k26k)( k22k5) (2a23a5b)(7a28a b) 2x2(2x26x5)(5x4) y2(9x2y)( x29y2) 5(8x29xyx)(5x23xy6x) 6 1 7(xy9y29)(x2xy y24) 6 8 7 6(xyy)(xyx9) 6 7 (9y8x6z2)(8y9x7z2) (2k29k)(8k24k7) ( a27a3b)(6

3、a26a9b) 9x2(4x23x6)(4x4) 4y2(9x2y)(6x29y2) 1(6x2 xyx)(4x26xy x) 6 5 1(xy8y24)(x2xy6y28) 6 3 9 1(xyy)(xyx2) 8 3 (2y x7z2)(7y9x4z2) ( k27k)(8k28k8) (7a26a3b)(4a24a6b) 9x2(2x28x6)(3x9) 6y2( x2y)(6x27y2) 4(4x29xyx)(7x26xy7x) 3 1 1(xy4y23)(x2xy4y28) 3 8 1 8(xyy)(xyx4) 6 7 (3y7x z2)(2y4x3z2) (6k2 k)( k22k

4、5) (4a24a6b)(6a23a3b) 6x2( x26x4)(2x7) 7y2(3x2y)( x2 y2) 1(6x28xyx)(3x25xy9x) 6 1 1(xy3y21)(x2xy y28) 3 4 1 1(xyy)(xyx3) 4 7 (3y5x4z2)(5y4x7z2) (5k29k)(3k26k4) (9a27a5b)(2a2 a8b) 8x2(5x22x9)( x2) 8y2(8x2y)( x26y2) 1(7x29xyx)(6x25xy8x) 8 7 2(xy9y28)(x2xy3y25) 6 3 1 4(xyy)(xyx6) 3 3 (8y5x4z2)(2y4x4z2)

5、 (9k26k)(9k24k9) ( a25a b)(5a22a8b) 3x2(9x22x7)(2x9) 9y2(6x2y)(9x22y2) 6(7x23xyx)(8x2 xy4x) 7 1 1(xy9y27)(x2xy4y26) 7 5 1 1(xyy)(xyx1) 8 4 (8y9x4z2)(7y2x4z2) (2k26k)(5k23k3) (9a22a8b)(5a22a6b) 7x2(8x25x8)( x1) 6y2(3x2y)(3x25y2) 8(7x28xyx)(6x26xy6x) 7 2 7(xy9y27)(x2xy8y27) 3 6 5 1(xyy)(xyx2) 6 4 (5y5

6、x z2)(6y4x4z2) (7k25k)(7k28k4) (9a28a6b)(4a24a2b) 8x2(4x24x6)(3x4) 9y2(6x2y)(8x26y2) 7(8x28xyx)(8x25xy8x) 6 8 2(xy4y23)(x2xy2y25) 7 3 6 1(xyy)(xyx3) 7 6 (9y4x6z2)(6y6x9z2) (8k22k)(2k25k8) (4a27a5b)(8a26a7b) 2x2(6x2 x9)(6x7) 8y2(2x2y)(9x24y2) 7(8x23xyx)(8x27xy9x) 8 1 1(xy2y28)(x2xy9y23) 5 3 4 2(xyy)(xyx4) 3 3 (5y9x8z2)(3y6x z2) (7k26k)(8k28k1) (3a29a7b)(7a24a4b) 2x2(2x24x2)(9x2) 8y2(5x2y)(4x23y2) 1(8x22xyx)(2x26xy8x) 4 2 5(xy6y28)(x2xy2y26) 3 6 1 3(xyy)(xyx9) 6 4 (7y6x4z2)(4y6x3z2)