bevezető feladat
|
2 | 0 | + | 5 | 0 | – | 4 | 0 | + | 8 | 0 | = | 1 | 3 | 0 | – | 6 | 0 | = | 7 | 0 |
+ | 2 | 0 |
|
4 | 0 |
|
4 | 0 | + | 3 | 0 | = | 5 | 0 | – | 8 | 0 | = | – | 3 | 0 |
|
0 | – | 7 | 0 | – | 3 | 0 | + | 1 | 1 | 0 | = | 1 | 1 | 0 | – | 7 | 0 | = | 4 | 0 |
Vonjuk ki a pozitív számból a negatív számot!