Efectuați:
5.2
6 3
c)
܀
13 5
14
d)
5 13
3
55155
;
b)
e)
3 7
+ =
28
8
15 5
4
+-;
11
9
5
18
![Efectuați 52 6 3 C 13 5 14 D 5 13 3 55155 B E 3 7 28 8 15 5 4 11 9 5 18 class=](https://ro-static.z-dn.net/files/d6d/c5c6cb4a0456ed6a3f211480cede73cc.png)