Question

谁知道三个5一个1怎么算24

Answer 1

5,5,5,1的24点答案：

1:5 × (5 - 1 ÷ 5)

2:5 × (5 - (1 ÷ 5))

3:(5 - 1 ÷ 5) × 5

4:(5 - (1 ÷ 5)) × 5