1、七年级数学下册计算题大全109七年级,数学,下册,计,算题,大全,109,8k2+6k,(8k26k)(4k24k2) (4a25a4b)(3a22a b) 9x2(7x27x3)(2x7) y2(5x2y)(7x2 y2) 1(4x29xy-x)( x24xy8x) 31 1(-xy2y27)(x2-xy8y23) 7 51 9(xy-y-)(xyx6) 3 8(4y8x8z2)(9y3x3z2) (9k23k)(4k22k8) (3a23a7b)(5a27a2b) 3x2( x23x7)(5x1) 6y2(9x2y)( x26y2) 5(3x25xy-x)(2x23xy7x) 61 1(-
2、xy2y23)(x2-xy y23) 3 74 3(xy-y-)(xyx6) 5 4(4y9x6z2)(2y2x8z2) (4k22k)(8k29k2) (7a24a7b)(7a27a5b) x2(7x26x7)(5x7) y2(2x2y)(2x25y2) 3(8x23xy-x)(2x2 xy x) 41 9(-xy6y25)(x2-xy9y24) 5 81 2(xy-y-)(xyx3) 8 3(6y9x z2)( y2x5z2) (6k2 k)(9k29k6) (8a26a4b)(3a24a5b) x2(4x22x3)(5x2) 8y2( x2y)( x25y2) 7(6x29xy-x)(5
3、x28xy2x) 86 5(-xy3y25)(x2-xy7y27) 5 41 1(xy-y-)(xyx1) 5 6(8y2x3z2)(4y4x7z2) (3k23k)(2k2 k3) (5a28a4b)(3a27a b) 6x2(5x22x1)(6x1) 8y2(4x2y)(4x29y2) 1( x26xy-x)(7x27xy8x) 52 1(-xy3y28)(x2-xy3y23) 3 61 1(xy-y-)(xyx5) 6 7(2y4x5z2)(4y8x2z2) (7k27k)(5k26k2) ( a25a2b)(2a22a5b) x2(8x22x3)(7x3) 7y2(3x2y)(8x22
4、y2) 8(3x23xy-x)(3x29xy5x) 71 1(-xy6y22)(x2-xy6y22) 6 56 7(xy-y-)(xyx5) 5 6(7y8x5z2)(5y x9z2) ( k23k)(6k2 k6) (2a23a6b)(5a2 a9b) 7x2(5x26x6)(7x4) 4y2(5x2y)(3x25y2) 1(2x2 xy-x)(9x22xy5x) 71 9(-xy7y25)(x2-xy8y24) 4 81 8(xy-y-)(xyx4) 3 7(8y x6z2)(6y x4z2) ( k27k)(7k22k6) (6a24a3b)(5a2 a7b) 5x2(7x27x7)(7
5、x5) 9y2(9x2y)(3x29y2) 9(2x27xy-x)(6x26xy9x) 81 4(-xy8y26)(x2-xy3y25) 4 51 2(xy-y-)(xyx5) 3 3(5y5x2z2)(3y2x8z2) (2k28k)(4k27k4) (7a22a7b)( a2 a4b) x2(6x29x9)(8x4) 2y2(7x2y)(5x27y2) 1(9x2 xy-x)( x24xy9x) 47 1(-xy5y25)(x2-xy5y28) 8 81 1(xy-y-)(xyx3) 5 5(2y8x7z2)(6y3x7z2) (6k2 k)(3k22k8) (7a23a3b)(2a23a
6、3b) 4x2(2x23x5)( x5) 5y2(4x2y)(9x29y2) 8(2x28xy-x)(7x2 xy5x) 71 7(-xy5y28)(x2-xy4y26) 3 81 7(xy-y-)(xyx4) 7 8(5y4x5z2)(2y7x2z2) (7k23k)(7k28k6) (6a2 a9b)(6a25a3b) 3x2(4x2 x5)(8x4) 2y2( x2y)(6x28y2) 6(5x24xy-x)(9x27xy4x) 58 7(-xy8y24)(x2-xy8y24) 7 81 5(xy-y-)(xyx3) 7 4(3y5x8z2)(4y3x7z2) (2k28k)(7k23k6) (8a27a8b)(8a22a4b) 6x2( x24x1)(5x3) 3y2(9x2y)(2x28y2) 6(9x22xy-x)(6x26xy5x) 57 3(-xy8y25)(x2-xy7y24) 6 41 7(xy-y-)(xyx7) 5 8(4y4x4z2)(4y9x2z2) (3k29k)(4k27k2) (6a22a7b)(9a26a b) 6x2(6x29x8)(5x9) 3y2(2x2y)(7x27y2)
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