Номер 848
Обчисліть:
| 1) 7 | 14 | + 2 | 1 | = 9 | 15 | = 10; |
| 15 | 15 | 15 |
| 2) 9 | 24 | + 12 | 13 | = 21 | 37 | = 22 | 10 | ; |
| 27 | 27 | 27 | 27 |
| 3) 1 – | 12 | = | 19 | – | 12 | = | 7 | ; |
| 19 | 19 | 19 | 19 |
| 4) 8 – 3 | 6 | = 7 | 15 | – 3 | 6 | = 4 | 9 | = 4 | 3 | ; |
| 15 | 15 | 15 | 15 | 5 |
| 5) 12 – 11 | 6 | = 11 | 11 | – 11 | 6 | = | 5 | ; |
| 11 | 11 | 11 | 11 |
| 6) 16 | 3 | – 6 | 8 | = 15 | 16 | – 6 | 8 | = 9 | 8 | ; |
| 13 | 13 | 13 | 13 | 13 |
| 7) 13 | 4 | – 2 | 8 | = 12 | 13 | – 2 | 8 | = 10 | 5 | ; |
| 9 | 9 | 9 | 9 | 9 |
| 8) 10 | 7 | – 4 | 12 | = 9 | 23 | – 4 | 12 | = 5 | 11 | ; |
| 16 | 16 | 16 | 16 | 16 |
| 9) 29 | 49 | – 8 | 49 | = 21. |
| 53 | 53 |