5 5 5 1,这4个数用加减乘除四则运算得出24.
问题描述：
5 5 5 1,这4个数用加减乘除四则运算得出24.
我记得以前有人算出来过,我现在给忘啦~
答
5*(5-1/5)=245*(5-(1/5))=245*(5-1/5)=245*(5-(1/5))=24(5-1/5)*5=24(5-(1/5))*5=24(5-1/5)*5=24(5-(1/5))*5=245*(5-1/5)=245*(5-(1/5))=245*(5-1/5)=245*(5-(1/5))=24(5-1/5)*5=24(5-(1/5))*5=24(5-1/5)*5=24(5-(1/...