Răspuns :
clasa miilor clasa unitatilor
--------------------------------------------------------------
| S | Z | U | S | Z | U |
-------------------------------------------------------------|
| | | 4 | 8 | 3 | 2 |
-------------------------------------------------------------|
| | | 5 | 2 | 6 | 0 |
-------------------------------------------------------------|
7 9 9 9
6 3 0 5
7 2 5 0
8 2 3 4
9 1 0 9
2 0 3 4
1 8 0 2
9 6 0 5
--------------------------------------------------------------
| S | Z | U | S | Z | U |
-------------------------------------------------------------|
| | | 4 | 8 | 3 | 2 |
-------------------------------------------------------------|
| | | 5 | 2 | 6 | 0 |
-------------------------------------------------------------|
7 9 9 9
6 3 0 5
7 2 5 0
8 2 3 4
9 1 0 9
2 0 3 4
1 8 0 2
9 6 0 5