计算:2/4-x+12/x^2-16+2/x+4通分:(1)-7/24x^2y^5 ,5/18x^3y^4(2)n/m^2-3mn ,m/3n^2-mn(3)3/x^2+x ,2x/x^2-1 ,5/x^2-x计算:(1)z/3x^2y - y/2x^2z + x/6y^2z^2(2)18/m^2-9 + 3/3-m(3)1/x+1 - x+3/x^2-1 除以x^2-9/x^2-2x+1(4)(x+3/x-3 + 9/x^2-6x+9)* x-3/x
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![计算:2/4-x+12/x^2-16+2/x+4通分:(1)-7/24x^2y^5 ,5/18x^3y^4(2)n/m^2-3mn ,m/3n^2-mn(3)3/x^2+x ,2x/x^2-1 ,5/x^2-x计算:(1)z/3x^2y - y/2x^2z + x/6y^2z^2(2)18/m^2-9 + 3/3-m(3)1/x+1 - x+3/x^2-1 除以x^2-9/x^2-2x+1(4)(x+3/x-3 + 9/x^2-6x+9)* x-3/x](/uploads/image/z/7292382-6-2.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A2%2F4-x%2B12%2Fx%5E2-16%2B2%2Fx%2B4%E9%80%9A%E5%88%86%3A%281%29-7%2F24x%5E2y%5E5+%2C5%2F18x%5E3y%5E4%282%29n%2Fm%5E2-3mn+%2Cm%2F3n%5E2-mn%283%293%2Fx%5E2%2Bx+%2C2x%2Fx%5E2-1+%2C5%2Fx%5E2-x%E8%AE%A1%E7%AE%97%EF%BC%9A%281%29z%2F3x%5E2y+-+y%2F2x%5E2z+%2B+x%2F6y%5E2z%5E2%282%2918%2Fm%5E2-9+%2B+3%2F3-m%283%291%2Fx%2B1+-+x%2B3%2Fx%5E2-1+%E9%99%A4%E4%BB%A5x%5E2-9%2Fx%5E2-2x%2B1%284%29%28x%2B3%2Fx-3+%2B+9%2Fx%5E2-6x%2B9%29%2A+x-3%2Fx)
计算:2/4-x+12/x^2-16+2/x+4通分:(1)-7/24x^2y^5 ,5/18x^3y^4(2)n/m^2-3mn ,m/3n^2-mn(3)3/x^2+x ,2x/x^2-1 ,5/x^2-x计算:(1)z/3x^2y - y/2x^2z + x/6y^2z^2(2)18/m^2-9 + 3/3-m(3)1/x+1 - x+3/x^2-1 除以x^2-9/x^2-2x+1(4)(x+3/x-3 + 9/x^2-6x+9)* x-3/x
计算:2/4-x+12/x^2-16+2/x+4
通分:(1)-7/24x^2y^5 ,5/18x^3y^4
(2)n/m^2-3mn ,m/3n^2-mn
(3)3/x^2+x ,2x/x^2-1 ,5/x^2-x
计算:
(1)z/3x^2y - y/2x^2z + x/6y^2z^2
(2)18/m^2-9 + 3/3-m
(3)1/x+1 - x+3/x^2-1 除以x^2-9/x^2-2x+1
(4)(x+3/x-3 + 9/x^2-6x+9)* x-3/x
这些题目对我来说已经不必要了
你们随便回答个什么都没关系
只要别打个“麻烦你把题目打清楚点”就行了拉
计算:2/4-x+12/x^2-16+2/x+4通分:(1)-7/24x^2y^5 ,5/18x^3y^4(2)n/m^2-3mn ,m/3n^2-mn(3)3/x^2+x ,2x/x^2-1 ,5/x^2-x计算:(1)z/3x^2y - y/2x^2z + x/6y^2z^2(2)18/m^2-9 + 3/3-m(3)1/x+1 - x+3/x^2-1 除以x^2-9/x^2-2x+1(4)(x+3/x-3 + 9/x^2-6x+9)* x-3/x
麻烦你把题目打清楚点