用5,5,5,1四个数,采用四则运算来组成一个算式,使结果等于24._.
问题描述:
用5,5,5,1四个数,采用四则运算来组成一个算式,使结果等于24.______.
答
5×(5-1÷5),
=5×(5-0.2),
=5×4.8,
=24;
故答案为:5×(5-1÷5).