1/2=0,5 | 1/2=0,5
| 0
asa trb sa | --
apara in | 10
caiet | 10
sau cel putin | ----
noi asa facem | ==
17/4=4,25
16
---
=10
8
---
=20
20
---
==
21/5=4,2
20
----
=10
10
---
===
calculele facute la ultemele doua le pui la margine si la inceput pui 17/4=4,25 si 21/5=4,2