七年级数学下册计算题大全76.docx

1、七年级数学下册计算题大全76 1(6x25xyx)(8x22xy4x) 7 1 3(xy8y28)(x2xy3y27) 6 4 1 1(xyy)(xyx2) 6 7 (5y2x7z2)(4y3x9z2) (2k2 k)(2k23k6) (8a29a7b)(3a24a5b) 9x2(8x26x4)(3x7) 2y2(5x2y)(7x22y2) 8(6x26xyx)(4x24xy2x) 7 7 8(xy7y28)(x2xy y26) 6 7 1 5(xyy)(xyx7) 3 6 (5y7x5z2)(5y7x6z2) (6k27k)(4k29k6) (5a22a9b)(5a29a7b) 4x2(7x

2、28x1)( x5) 2y2(6x2y)(7x23y2) 7(8x22xyx)(9x24xy7x) 8 1 3(xy8y22)(x2xy7y28) 4 4 1 4(xyy)(xyx9) 8 5 (3y7x5z2)(8y6x5z2) (6k27k)(7k27k2) (2a29a8b)(4a27a3b) 2x2(4x24x9)(2x8) 2y2(5x2y)(6x28y2) 1(2x24xyx)(3x26xy4x) 7 1 6(xy5y29)(x2xy5y29) 3 5 1 1(xyy)(xyx3) 3 6 (2y4x8z2)(6y3x8z2) (4k27k)(7k24k4) (5a22a5b)(

3、a26a3b) 6x2(7x23x6)(4x8) y2(2x2y)(4x22y2) 5(5x29xyx)(7x24xy4x) 4 1 1(xy9y29)(x2xy3y29) 5 7 1 5(xyy)(xyx7) 3 4 (5y x z2)(6y6x8z2) (3k28k)( k29k1) ( a26a6b)(6a23a2b) 9x2(4x27x7)(5x5) y2(4x2y)(7x24y2) 1(6x26xyx)(4x29xy6x) 4 9 1(xy8y24)(x2xy5y28) 8 6 1 1(xyy)(xyx8) 5 4 (2y8x9z2)(3y4x4z2) (7k29k)( k27k6)

4、 (9a28a8b)(5a29a7b) 7x2(7x29x4)(7x6) 9y2(2x2y)(3x25y2) 1(8x23xyx)(9x29xy5x) 4 1 1(xy7y23)(x2xy5y21) 7 8 1 1(xyy)(xyx7) 6 8 (9y8x9z2)(7y9x5z2) (4k22k)(8k28k5) (2a29a2b)(9a23a4b) 6x2( x25x9)(8x2) 8y2(3x2y)(5x25y2) 1( x28xyx)(9x26xy x) 6 4 1(xy6y22)(x2xy y24) 3 3 1 5(xyy)(xyx3) 5 6 (4y4x4z2)(8y9x8z2) (

5、4k22k)(9k29k6) (8a22a3b)(4a26a b) 7x2(8x22x5)(7x7) 6y2(8x2y)(6x26y2) 5(5x22xyx)(5x25xy2x) 6 1 8(xy2y28)(x2xy y28) 4 7 1 5(xyy)(xyx2) 5 6 (9y6x z2)(3y4x5z2) (2k24k)(6k27k3) (2a27a2b)(4a27a9b) 7x2(6x27x6)( x2) 5y2(9x2y)(4x28y2) 3(5x24xyx)(8x28xy8x) 4 8 4(xy7y22)(x2xy9y29) 7 5 5 8(xyy)(xyx2) 6 7 (4y8x

6、z2)(9y2x z2) (7k29k)(5k24k1) (9a23a5b)(6a26a3b) 7x2(2x28x3)(5x9) 6y2(5x2y)( x25y2) 1(2x24xyx)(4x2 xy5x) 3 6 4(xy8y23)(x2xy7y25) 5 3 1 1(xyy)(xyx3) 8 4 (4y2x7z2)(6y6x z2) (2k22k)( k22k1) (2a27a3b)( a2 a2b) 4x2(6x23x6)(3x9) 2y2( x2y)(8x2 y2) 1(4x25xyx)(6x29xy6x) 8 7 5(xy y29)(x2xy2y29) 6 6 4 8(xyy)(xyx2) 5 7 (9y5x7z2)(6y6x9z2) (7k28k)(3k26k2) ( a22a5b)(9a26a5b) 6x2(4x29x7)(4x2) 9y2(7x2y)(6x28y2) 1(7x24xyx)(9x26xy9x) 4 6 9(xy5y26)(x2xy5y27) 7 8 6 4(xyy)(xyx3) 5 5 (5y x7z2)(4y3x6z2)