根号----- 用分数指数表示

2025-06-26 06:35:27
推荐回答(1个)
回答1:

=(a*a^1/2)^1/3
=[a^(1+1/2)]^1/3
=[a^(3/2)]^1/3
=a^(3/2*1/3)
=a^(1/2)