数学求比值

数学求比值要过程谢谢
2024-11-24 23:39:52
推荐回答(2个)
回答1:

=75:250
=3:10
=1/5:3/7
=7/35:15/35
=7:15
=12:20
=3:5
=23:12

回答2:

3:10