用5,-5,5,-1算24,用1,-2,-2,3算24(可用加减乘除和乘方)急求!
问题描述:
用5,-5,5,-1算24,用1,-2,-2,3算24(可用加减乘除和乘方)急求!
答
(5-(-1)/(-5))*5=24
(-2)^3*(-2-1)=24