Összeadás 4.                                                                       ×vissza

10. feladat                                                                                                                                         megoldás

– 3 5 + 7 9 =        
                     
– 4 1 – 8 0 =        
                     
+ 5 2 – 9 6 =        
                     
+ 5 1 + 7 0 =        
                     
  2 4 – 6 8 =