七年级数学下册计算题大全194.docx

1、七年级数学下册计算题大全194 5(5x23xyx)(4x2 xy3x) 4 2 7(xy3y21)(x2xy6y22) 3 8 1 7(xyy)(xyx8) 8 6 (4y9x4z2)(9y9x2z2) ( k22k)(2k29k2) (8a23a b)(9a26a5b) 5x2(9x25x8)(7x1) 2y2(6x2y)(4x23y2) 1(2x28xyx)(5x22xy6x) 4 2 1(xy7y26)(x2xy y28) 3 8 8 4(xyy)(xyx8) 7 3 ( y2x5z2)(3y7x4z2) (6k26k)(3k27k7) (9a22a b)(4a28a2b) 6x2(5

2、x23x4)(3x8) 8y2(9x2y)(8x23y2) 8(5x28xyx)( x28xy4x) 7 4 1(xy6y24)(x2xy4y21) 5 3 6 6(xyy)(xyx3) 5 5 (5y3x z2)(9y8x6z2) (3k28k)(8k22k5) (7a22a2b)( a28a4b) 6x2( x27x2)(4x5) 2y2(5x2y)(2x22y2) 4(5x28xyx)(2x2 xy3x) 3 1 1(xy2y25)(x2xy9y28) 6 5 9 9(xyy)(xyx4) 8 8 (4y5x7z2)(4y9x8z2) (9k2 k)( k27k5) (8a2 a2b)(

3、4a29a7b) 2x2(9x29x9)( x8) y2(5x2y)(9x24y2) 1(2x2 xyx)(4x26xy9x) 8 1 5(xy5y26)(x2xy2y26) 5 4 1 1(xyy)(xyx7) 7 3 ( y5x9z2)(8y8x9z2) (3k22k)(3k25k8) ( a25a5b)(2a2 a7b) 7x2(4x26x2)( x9) 7y2(5x2y)( x28y2) 5(5x25xyx)(6x25xy9x) 6 1 6(xy9y26)(x2xy2y23) 4 5 2 5(xyy)(xyx9) 3 6 (6y2x6z2)(5y4x9z2) (2k2 k)(4k29k

4、1) (5a24a4b)(6a28a9b) 9x2( x2 x5)( x9) 3y2(6x2y)(8x27y2) 6(8x2 xyx)(3x25xy3x) 5 1 4(xy6y26)(x2xy9y22) 5 5 1 7(xyy)(xyx5) 6 6 (8y9x8z2)(2y2x7z2) (7k28k)( k28k6) (6a24a7b)(9a26a5b) 4x2(2x2 x3)(9x6) 6y2(3x2y)(4x26y2) 3(3x26xyx)(2x26xy x) 4 1 6(xy2y23)(x2xy4y28) 5 7 1 6(xyy)(xyx5) 7 7 (2y6x2z2)( y5x7z2)

5、 (2k25k)(5k26k7) ( a24a4b)(2a24a b) 3x2(8x29x8)(5x9) 3y2(4x2y)(8x24y2) 7(5x22xyx)(3x24xy8x) 8 6 7(xy4y25)(x2xy2y22) 5 6 1 7(xyy)(xyx8) 8 8 (3y5x6z2)(4y8x z2) (3k28k)(8k29k2) (5a22a2b)(2a27a6b) 3x2(8x27x2)(8x9) 9y2(2x2y)(9x23y2) 7(3x22xyx)(5x29xy2x) 8 7 2(xy3y27)(x2xy2y28) 8 3 2 1(xyy)(xyx5) 3 8 (8y5

6、x7z2)( y x7z2) (2k29k)(6k27k8) (8a25a8b)(3a24a8b) 3x2(6x22x6)(5x5) 6y2(4x2y)(2x28y2) 4(8x22xyx)(9x28xy4x) 5 6 8(xy4y26)(x2xy2y29) 7 7 1 4(xyy)(xyx9) 6 3 (5y5x6z2)(3y4x9z2) (4k27k)(5k2 k8) (2a29a6b)( a24a7b) 8x2(6x28x6)(8x8) y2(3x2y)(6x2 y2) 7( x2 xyx)(3x29xy9x) 6 1 6(xy y22)(x2xy3y23) 4 5 1 6(xyy)(xyx8) 7 7 (2y9x7z2)(8y8x8z2) (5k25k)(5k27k2) (6a2 a b)(7a27a2b) 8x2(8x2 x9)(4x3) 5y2( x2y)( x2 y2) 1(8x2 xyx)(2x27xy6x) 3 1 1(xy2y27)(x2xy6y21) 7 8 5 4(xyy)(xyx2) 4 5 (2y7x5z2)( y4x8z2)