来自胡增炎的问题
(5x^-2/3y^1/2)(-1/4x^-1y^1/2)(-5/6x^1/3y^-1/6)分数指数幂化简求值
(5x^-2/3y^1/2)(-1/4x^-1y^1/2)(-5/6x^1/3y^-1/6)分数指数幂化简求值
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2020-03-17 08:51
(5x^-2/3y^1/2)(-1/4x^-1y^1/2)(-5/6x^1/3y^-1/6)分数指数幂化简求值
(5x^-2/3y^1/2)(-1/4x^-1y^1/2)(-5/6x^1/3y^-1/6)分数指数幂化简求值
(5x^-2/3y^1/2)(-1/4x^-1y^1/2)(-5/6x^1/3y^-1/6)
=(5x1/4x5/6)x^(-2/3-1+1/3)y^(1/2+1/2-1/6)
=25/24x^-4/3y^5/6