1) 4 | 17 | + | 10 | = 5 | 8 | ; |
19 | 19 | 19 |
2) 8 | 10 | + 7 | 8 | = 16 | 5 | ; |
13 | 13 | 13 |
3) 7 | 4 | – 1 | 17 | = 5 | 10 | ; |
23 | 23 | 23 |
4) 14 | 11 | – 8 | 12 | = 5 | 26 | ; |
27 | 27 | 27 |
5) 18 | 1 | – 7 | 10 | = 10 | 8 | ; |
17 | 17 | 17 |
6) 8 | 3 | – 2 | 8 | = 5 | 26 | . |
31 | 31 | 31 |