1. feladat megoldása tovább megoldás
4 | 5 | + | 1 | 7 | – | 4 | 2 | + | 3 | 3 | – | 5 | 1 | = | |||||||||
– | 5 | 0 | + | 1 | 4 | – | 1 | 8 | + | 3 | 4 | + | 1 | 8 | = | ||||||||
– | 1 | 2 | – | 3 | 5 | + | 2 | 4 | + | 5 | 8 | – | 3 | 8 | = | ||||||||
+ | 4 | 7 | + | 9 | 6 | – | 3 | + | 2 | 2 | – | 7 | 8 | = | |||||||||
3 | 8 | – | 1 | 2 | + | 5 | 7 | – | 7 | 6 | – | 7 | = |