Achar a razão entre 1dm e 25cm respectivamente.
1dm.......10cm...(:5).......2
-------- = ----------- ------ = -----
25cm.....25cm...(:5).......5
1dm = 10cm.....razão = 10/25...=2/5
Comments
1dm.......10cm...(:5).......2
-------- = ----------- ------ = -----
25cm.....25cm...(:5).......5
1dm = 10cm.....razão = 10/25...=2/5