NIVEAU 4 (CE1 - CE2)

Combinaison : [3,3,7,9] = 22

Calcul 1 Calcul 2 Calcul Final
3 + 3 = 6 7 + 9 = 16 6 + 16 = 22
3 + 7 = 10 3 + 9 = 12 10 + 12 = 22