NIVEAU 4 (CE1 - CE2)

Combinaison : [2,3,8,8] = 21

Calcul 1 Calcul 2 Calcul Final
2 + 3 = 5 8 + 8 = 16 5 + 16 = 21
2 + 8 = 10 3 + 8 = 11 10 + 11 = 21