三次根号-(125/126)求解
问题描述：
三次根号-(125/126)求解
答
三次根号[-(125/126)]=[-(125/126]^(1/3)
=[-(5^3/126]^(1/3)
=-5/[126^(1/3)]
≈-0.9973474676476257396072418917489
答
5/三次根号126