NIVEAU 3 (CE1 - CE2)

Combinaison : [2,2,7,8] = 19

Calcul 1 Calcul 2 Calcul Final
2 + 2 = 4 7 + 8 = 15 4 + 15 = 19
2 + 7 = 9 2 + 8 = 10 9 + 10 = 19