把分数和小数互换 0.75 2⼀5 3.42 5⼀8 2.12

2025-05-04 00:43:41
推荐回答(2个)
回答1:

0.75=3/4
2/5=0.4
3.42=171/50
5/8=0.625
2.12=53/25

回答2:

3/4
0.4
3又21/50
0.625
2又3/25