七年级数学下册计算题大全176.docx

1、七年级数学下册计算题大全176 1( x29xyx)( x27xy6x) 4 1 1(xy y26)(x2xy3y29) 3 4 4 9(xyy)(xyx1) 5 8 (4y8x5z2)(6y7x8z2) (9k23k)(9k24k3) (3a25a6b)( a23a9b) 3x2(7x25x2)(6x7) 4y2(5x2y)(5x29y2) 5(9x22xyx)(7x27xy4x) 6 1 2(xy9y29)(x2xy4y25) 7 3 5 8(xyy)(xyx7) 4 7 (4y5x z2)(8y x z2) (8k24k)(7k24k1) (8a26a b)(7a24a7b) 8x2(2

2、x25x8)(4x4) 7y2(5x2y)(6x27y2) 1(2x27xyx)(7x29xy8x) 4 1 6(xy5y22)(x2xy9y21) 3 7 1 6(xyy)(xyx1) 4 5 ( y2x5z2)(7y3x2z2) ( k2 k)(3k26k6) (2a28a4b)( a27a6b) 6x2(3x23x8)( x5) 2y2(5x2y)(5x25y2) 1(7x2 xyx)(5x26xy5x) 6 4 5(xy2y22)(x2xy2y26) 3 6 1 1(xyy)(xyx1) 8 5 (3y x7z2)( y9x8z2) (7k28k)(6k28k7) (6a24a9b)(

3、3a26a8b) 6x2(2x28x3)(3x2) 4y2(3x2y)(6x26y2) 8(6x23xyx)(4x25xy5x) 7 1 6(xy3y23)(x2xy9y27) 3 5 1 1(xyy)(xyx7) 7 5 (4y2x7z2)(5y8x3z2) (9k22k)(7k29k1) (9a24a9b)(7a28a5b) 7x2(9x2 x4)(3x8) 2y2(7x2y)( x26y2) 1(3x29xyx)(3x25xy8x) 7 1 1(xy y25)(x2xy6y26) 7 5 1 1(xyy)(xyx4) 5 3 (5y6x2z2)(6y5x2z2) (5k26k)(4k2

4、k8) (4a29a2b)(7a27a6b) 8x2(8x27x4)(4x2) 8y2( x2y)(7x24y2) 1( x26xyx)(9x29xy5x) 5 1 1(xy4y26)(x2xy5y24) 7 4 1 5(xyy)(xyx4) 5 4 (5y9x2z2)( y4x6z2) (2k22k)(3k22k7) (6a27a8b)(9a23a4b) 7x2(6x24x2)(4x1) 9y2(9x2y)(6x23y2) 6(7x29xyx)(9x29xy7x) 5 1 9(xy2y22)(x2xy y28) 5 8 7 1(xyy)(xyx9) 6 3 (2y5x3z2)(6y9x5z2

5、) (4k25k)(6k28k1) (5a28a8b)(7a27a3b) 5x2(7x24x1)(7x8) 2y2(5x2y)(4x27y2) 1( x24xyx)(5x25xy8x) 8 6 8(xy4y23)(x2xy5y21) 5 7 5 6(xyy)(xyx3) 4 5 (6y9x3z2)(2y6x z2) (7k24k)(9k29k7) (4a22a6b)(2a23a4b) 6x2(2x26x6)(9x1) 8y2(5x2y)(7x26y2) 1(3x28xyx)(2x23xy3x) 7 1 4(xy4y24)(x2xy8y29) 8 5 6 1(xyy)(xyx1) 7 8 (7y

6、7x z2)(9y x4z2) (2k26k)(4k23k1) (8a28a9b)(7a26a2b) 9x2(8x27x8)(9x3) 3y2(9x2y)(9x22y2) 8(8x27xyx)(7x28xy x) 7 1 5(xy6y21)(x2xy6y23) 3 6 8 4(xyy)(xyx4) 7 5 (7y6x6z2)( y3x8z2) (5k29k)( k2 k6) (4a24a2b)(4a29a4b) 7x2(3x22x6)(4x1) 4y2(8x2y)(4x29y2) 8(9x28xyx)(5x2 xy4x) 7 7 1(xy y29)(x2xy y23) 6 8 4 2(xyy)(xyx2) 3 3 (4y5x6z2)(5y8x3z2) (9k2 k)(7k26k3) (7a26a5b)(7a26a6b) 6x2(2x23x8)(9x3) 2y2(8x2y)(7x22y2) 6(8x26xyx)(8x29xy2x) 5 9 4(xy3y25)(x2xy7y26) 8 3 8 4(xyy)(xyx6) 7 3 ( y6x5z2)(6y4x2z2)