25÷1.25怎么简便计算?

2024-11-02 12:49:34
推荐回答(3个)
回答1:

25÷1.25
=25÷0.25÷5
=100÷5
=20

回答2:

25/1.25
=(25x8)/(1.25x8)
=200/10
=20

回答3:

25/(1+0.5),
=25+12.5
=37.5