1.
407 256→0,2,4,5,6,7
123 459 678→1,2,3,4,5,6,7,8,9
2 179 305 463→0,1,2,3,4,5,6,7,9
2.
Clasa |miliardelor | milioanelor | miilor |unitatilor|
Ordinul |z | s | u | z | s | u | z | s |u |z | s | u |
| | 3 1 4 5 2
| | 4 0 7 2 5 6
| 1 2 3 | 4 5 9 6 7 8
2 | 1 7 9 | 3 0 5 4 6 3
