Номер 1207
| 1) | – 12 | · 1 | 5 | = | – 12 | · | 13 | = | – 3 | = – 1 | 1 | ; |
| 13 | 8 | 13 | 8 | 2 | 2 |
| 2) –5 | 1 | · (– 2 | 1 | ) | = – | 21 | · (– | 7 | ) = | 49 | = 12 | 1 | ; |
| 4 | 3 | 4 | 3 | 4 | 4 |
| 3) –1 | 5 | · (– 6 | 1 | ) = – | 12 | · (– | 49 | ) = | 21 | = 10 | 1 | ; |
| 7 | 8 | 7 | 8 | 2 | 2 |
| 4) 3 | 3 | · (– 2 | 7 | ) = | 18 | · (– | 25 | ) = –10. |
| 5 | 9 | 5 | 9 |
| 1) | – 12 | · 1 | 5 | = | – 12 | · | 13 | = | – 3 | = – 1 | 1 | ; |
| 13 | 8 | 13 | 8 | 2 | 2 |
| 2) –5 | 1 | · (– 2 | 1 | ) | = – | 21 | · (– | 7 | ) = | 49 | = 12 | 1 | ; |
| 4 | 3 | 4 | 3 | 4 | 4 |
| 3) –1 | 5 | · (– 6 | 1 | ) = – | 12 | · (– | 49 | ) = | 21 | = 10 | 1 | ; |
| 7 | 8 | 7 | 8 | 2 | 2 |
| 4) 3 | 3 | · (– 2 | 7 | ) = | 18 | · (– | 25 | ) = –10. |
| 5 | 9 | 5 | 9 |