3个5一个1怎么算等于24

5x（5-1/5）=24

5*5-1=24

5*(5-(1/5))
5*(5-(1/5))
(5-(1/5))*5
(5-(1/5))*5
5*(5-(1/5))
5*(5-(1/5))
(5-(1/5))*5
(5-(1/5))*5
5*(5-(1/5))
5*(5-(1/5))

5
×
(5
-
1
÷
5)=24

哇~~~平方都可以用~~那么我可以用立方吗？