Question

两个1和两个5用加减乘除法来算,加减乘除只可以用一次,,算出来等于24怎么算?

加减乘除需都用上

Answer 1

（5*5-1）/1=24,
5乘以5等于25,
25减1等于24，
24除以1等于24

Answer 2

1/5=0.2
5-0.2=4.8
4.8*5=24

Answer 3

（5+1）x(5-1) = 6x4 = 24
5 x 5 - 1x1 = 25 - 1 = 24
5 x 5 - 1/1 = 25 - 1 = 24

Answer 4

（5+1）x(5-1)=6x4=24