某数加上5,乘以5,减去5,除以5,其结果等于5,这个数是______.

2025-05-09 23:37:18
推荐回答(1个)
回答1:

(5×5+5)÷5-5,
=(25+5)÷5-5,
=30÷5-5,
=6-5,
=1.
答:这个数是1.
故答案为:1.