七年级数学下册计算题大全150.docx

1、七年级数学下册计算题大全150七年级,数学,下册,计,算题,大全,150,9x2-5xy-,-,4(9x25xy-x)(4x23xy7x) 51 1(-xy y27)(x2-xy6y24) 4 73 1(xy-y-)(xyx2) 4 7(4y5x z2)(7y7x5z2) (3k27k)(5k23k4) ( a25a6b)(2a2 a5b) 3x2(8x28x6)( x9) 7y2(7x2y)(4x25y2) 4(9x25xy-x)(8x27xy8x) 51 2(-xy5y28)(x2-xy3y22) 5 31 1(xy-y-)(xyx1) 4 4(6y7x6z2)(8y6x4z2) (8k2

2、7k)(7k2 k9) ( a27a9b)(9a24a8b) 9x2( x23x1)(7x1) 8y2(3x2y)(8x24y2) 1(3x27xy-x)(3x28xy5x) 45 5(-xy4y27)(x2-xy4y22) 6 41 1(xy-y-)(xyx1) 7 7(9y7x6z2)( y9x9z2) (8k26k)(5k29k7) (3a28a5b)(7a26a4b) 4x2(2x28x9)(2x6) 4y2(3x2y)(9x2 y2) 4(2x27xy-x)(3x23xy x) 51 1(-xy4y27)(x2-xy6y23) 4 65 2(xy-y-)(xyx4) 4 3(2y5x

3、3z2)(4y5x7z2) (8k25k)(7k2 k2) ( a27a b)(9a29a7b) 7x2( x22x4)(9x6) y2(2x2y)(8x2 y2) 7(2x28xy-x)(5x25xy7x) 61 3(-xy7y25)(x2-xy9y25) 3 41 9(xy-y-)(xyx5) 5 8( y2x5z2)( y3x8z2) (4k26k)(8k29k4) ( a26a b)(7a26a8b) 9x2(6x2 x9)(2x7) 8y2(5x2y)(8x2 y2) 4(8x23xy-x)(9x28xy x) 57 1(-xy9y26)(x2-xy9y26) 8 64 2(xy-y

4、-)(xyx8) 3 3(8y4x2z2)(6y9x z2) (6k28k)(6k29k8) (4a2 a2b)(5a26a2b) 8x2(2x27x5)(7x8) 3y2(2x2y)(6x25y2) 6(3x28xy-x)(5x29xy4x) 76 1(-xy2y22)(x2-xy8y24) 5 87 1(xy-y-)(xyx3) 6 3(2y3x z2)(5y9x3z2) (9k26k)(6k2 k8) (3a25a8b)(3a26a8b) 2x2(6x28x1)(9x7) 2y2(3x2y)(5x26y2) 1(7x2 xy-x)(7x26xy7x) 55 8(-xy4y28)(x2-x

5、y2y23) 6 78 1(xy-y-)(xyx8) 7 6(2y x2z2)(4y2x3z2) (9k2 k)(2k22k5) (4a24a2b)(2a27a7b) 4x2(9x24x9)(3x5) 7y2(2x2y)(9x27y2) 1(5x25xy-x)(6x23xy5x) 71 4(-xy4y21)(x2-xy7y21) 7 56 6(xy-y-)(xyx1) 5 5(9y5x2z2)(3y7x4z2) (2k2 k)(3k22k3) (4a2 a8b)(3a23a5b) x2(8x22x1)(6x1) 7y2(2x2y)(9x25y2) 6(2x28xy-x)(9x2 xy3x) 7

6、6 1(-xy2y25)(x2-xy8y27) 5 61 4(xy-y-)(xyx7) 4 5(4y9x z2)(8y7x2z2) (2k2 k)(2k26k2) (5a29a9b)(3a25a8b) 7x2( x22x4)(8x4) 3y2(2x2y)(7x28y2) 1(2x25xy-x)(9x24xy6x) 73 5(-xy5y27)(x2-xy9y26) 4 61 2(xy-y-)(xyx2) 6 3(5y5x7z2)(3y7x5z2) (8k25k)(3k27k8) (3a29a9b)(9a28a4b) 2x2(4x22x2)(8x2) 8y2(7x2y)( x29y2) 6(9x24xy-x)(6x24xy2x) 71 4(-xy2y26)(x2-xy y22) 6 39 1(xy-y-)(xyx8) 8 7(2y3x3z2)(2y2x8z2) (4k23k)(2k2 k6) (2a26a b)(4a22a3b) 4x2( x2 x3)(4x6) 6y2(2x2y)(5x25y2) 1(3x29xy-x)(7x27xy8x) 49 6(-xy4y28)(x2-xy3y27) 8 73 3(xy-y-)(xyx5) 4 4( y6x2z2)( y4x z2)