6.2-(2又3⼀4+1又3⼀5-1.25)这个算式的简便方法怎么算?

2024-12-02 04:49:04
推荐回答(1个)
回答(1):

6.2-(2又3/4+1又3/5-1.25)
=6.2-(2.75-1.25+1.6)
=6.2-(1.5+1.6)
=6.2-3.1
=3.1