Question

两个5一个3一个9 怎么算等着24？

Answer 1

算法如下：
5*(3+(9/5))
5*((9/5)+3)
5*(3+(9/5))
5*((9/5)+3)
(3+(9/5))*5
3*(9-(5/5))
(3+(9/5))*5
3*(9-(5/5))
(9-(5/5))*3