Մաթեմատիկական խաչբառեր
| 12 | + | 36 | = | 48 |
| + | : | ։ | ||
| 12 | ։ | 3 | = | 4 |
| = | = | = | ||
| 24 | – | 12 | = | 12 |
| 7 | · | 3 | = | 21 |
| + | = | : | ||
| 3 | · | 1 | = | 3 |
| = | · | = | ||
| 10 | = | 3 | + | 7 |
| 6 | · | 5 | = | 30 |
| · | · | · | ||
| 3 | · | 1 | = | 3 |
| = | = | = | ||
| 18 | · | 5 | = | 90 |
| 4 | + | 6 | = | 10 |
| : | – | – | ||
| 2 | + | 3 | = | 5 |
| = | = | = | ||
| 2 | + | 3 | = | 5 |
| 150 | + | 150 | = | 300 |
| – | + | – | ||
| 100 | – | 50 | = | 50 |
| = | = | = | ||
| 50 | + | 200 | = | 250 |
| 24 | + | 24 | = | 48 |
| + | + | + | ||
| 24 | + | 24 | = | 48 |
| = | = | = | ||
| 48 | + | 48 | = | 96 |
| 3 | · | 9 | = | 27 |
| : | : | : | ||
| 1 | · | 3 | = | 3 |
| = | = | = | ||
| 3 | · | 3 | = | 9 |
| 32 | = | 4 | · | 8 |
| : | : | = | ||
| 16 | : | 2 | = | 8 |
| = | = | · | ||
| 2 | : | 2 | = | 1 |
| 24 | – | 21 | = | 3 |
| + | : | · | ||
| 3 | + | 7 | = | 10 |
| = | = | = | ||
| 27 | + | 3 | = | 30 |
| 12 | + | 18 | = | 30 |
| : | : | – | ||
| 3 | + | 3 | = | 6 |
| = | = | = | ||
| 4 | · | 6 | = | 24 |
| 24 | – | 12 | = | 12 |
| : | : | + | ||
| 6 | · | 2 | = | 12 |
| = | = | = | ||
| 4 | · | 6 | = | 24 |
| 30 | = | 12 | + | 18 |
| + | : | : | ||
| 6 | : | 2 | = | 3 |
| = | = | = | ||
| 36 | = | 6 | · | 6 |