ADUNAREA SI SCADEREA NUMERELOR INTREGI
9
-9
5
-5
O
14
2
-14
0
16
-16
-2
-4
4
18
-18
1
7
-7
-6
11
-1
-11
-25
25
15
-15
-8
8
-3
-10
10
Wait!Here's an interesting quiz for you.