七年级数学下册计算题大全45.docx

1、七年级数学下册计算题大全45 (5k29k)(5k27k5) (6a25a6b)(9a27a6b) 4x2(4x23x4)(6x2) 4y2(3x2y)(5x22y2) 1( x29xyx)(3x27xy9x) 6 1 1(xy y25)(x2xy4y23) 8 8 1 7(xyy)(xyx6) 3 6 (3y4x9z2)(3y6x4z2) (5k26k)(8k22k6) (4a22a2b)(5a22a2b) 9x2(4x25x3)(6x5) 4y2(3x2y)(5x24y2) 7(4x24xyx)(2x28xy3x) 8 3 1(xy6y24)(x2xy8y25) 4 8 1 1(xyy)(

2、xyx2) 5 3 (2y x8z2)(6y4x8z2) (3k29k)(4k27k4) (8a2 a3b)(3a23a8b) 5x2(5x23x4)(3x4) 8y2(7x2y)(4x26y2) 7(6x29xyx)(7x22xy3x) 6 9 6(xy2y25)(x2xy2y25) 8 7 7 1(xyy)(xyx1) 8 8 (2y7x5z2)( y6x3z2) (4k27k)(7k25k7) (7a2 a2b)(8a26a7b) 7x2(7x25x8)(5x8) 2y2(2x2y)(7x2 y2) 7(3x27xyx)(2x27xy2x) 6 1 1(xy4y26)(x2xy8y24)

3、 6 7 7 1(xyy)(xyx8) 8 4 (2y6x z2)(2y7x2z2) (3k29k)(6k23k1) ( a2 a9b)(7a28a6b) 7x2(9x29x1)(3x9) 5y2(4x2y)(4x29y2) 2(2x28xyx)(8x22xy2x) 3 3 5(xy8y22)(x2xy7y21) 4 6 1 1(xyy)(xyx7) 6 4 (5y7x7z2)(3y4x3z2) (2k22k)(7k29k4) (5a28a8b)(3a27a b) x2(5x27x9)(3x8) 6y2(2x2y)(3x29y2) 1(5x26xyx)(6x24xy6x) 5 1 2(xy4y

4、28)(x2xy7y25) 3 3 1 6(xyy)(xyx7) 6 7 (6y8x2z2)(4y5x3z2) (5k22k)(8k22k2) (7a25a8b)( a23a6b) 2x2(9x24x4)(6x7) 8y2(4x2y)(6x29y2) 8(8x29xyx)(2x26xy2x) 7 7 1(xy5y29)(x2xy7y24) 8 7 1 2(xyy)(xyx2) 3 3 (8y5x3z2)(9y5x8z2) (3k26k)(2k26k8) (2a23a7b)(5a22a9b) 7x2(4x23x9)(6x4) 5y2(7x2y)(7x23y2) 4(2x25xyx)(7x22xy

5、9x) 3 1 1(xy8y21)(x2xy5y25) 5 5 1 6(xyy)(xyx6) 6 5 (5y8x2z2)(5y2x8z2) (3k26k)(4k28k9) (2a25a9b)(2a22a b) x2(4x23x3)( x9) 2y2(2x2y)(4x2 y2) 1(6x25xyx)( x25xy9x) 4 5 7(xy5y28)(x2xy8y29) 4 6 7 4(xyy)(xyx7) 8 5 (7y5x5z2)(2y7x6z2) (9k26k)(2k25k1) (6a28a6b)(3a28a7b) 7x2(8x23x7)(5x8) 5y2(7x2y)(8x2 y2) 1( x

6、24xyx)(3x24xy8x) 8 1 1(xy2y25)(x2xy9y27) 8 7 7 1(xyy)(xyx5) 6 8 ( y7x8z2)( y5x7z2) (4k28k)(6k29k4) (4a24a6b)(3a27a8b) 4x2( x28x1)(6x5) y2(6x2y)(2x25y2) 4(5x27xyx)(6x2 xy9x) 5 5 3(xy4y26)(x2xy9y27) 4 4 7 1(xyy)(xyx3) 8 4 (2y2x5z2)(6y4x7z2) (2k24k)(8k27k2) (5a29a6b)(6a27a6b) 4x2(6x24x4)(8x9) y2(9x2y)(8x25y2) 1(7x24xyx)(3x2 xy4x) 7 4 3(xy5y27)(x2xy3y21) 5 4 4 4(xyy)(xyx2) 3 3 (2y7x8z2)(9y4x5z2) ( k2 k)(4k27k1) (9a27a7b)(5a23a b) 7x2(3x29x2)( x3) 2y2(9x2y)(4x2 y2)