| a | 8 | 10 | 3 | 15 |
|---|---|---|---|---|
| b | 7 | 8 | 14 | 4 |
| a * b |
| c | 8 | 23 | 47 | 19 |
|---|---|---|---|---|
| k | 18 | 9 | 20 | 7 |
| c + k |
8 * 7 = 56
10 * 8 = 80
3 * 14 = 3 * (10 + 4) = 3 * 10 + 3 * 4 = 30 + 12 = 42
15 * 4 = (10 + 5) * 4 = 10 * 4 + 5 * 4 = 40 + 60 = 60
8 + 18 = 26
23 + 9 = 32
47 + 20 = 67
19 + 7 = 26
Ответ:
| a | 8 | 10 | 3 | 15 |
|---|---|---|---|---|
| b | 7 | 8 | 14 | 4 |
| a * b | 56 | 80 | 42 | 60 |
| c | 8 | 23 | 47 | 19 |
|---|---|---|---|---|
| k | 18 | 9 | 20 | 7 |
| c + k | 26 | 32 | 67 | 26 |
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