NIVEAU 5 (CE1 - CE2)

Combinaison : [3,7,7,8] = 25

Calcul 1 Calcul 2 Calcul Final
3 + 7 = 10 7 + 8 = 15 10 + 15 = 25
3 + 8 = 11 7 + 7 = 14 11 + 14 = 25