NIVEAU 3 (CE1 - CE2)

Combinaison : [2,3,5,7] = 17

Calcul 1 Calcul 2 Calcul Final
2 + 3 = 5 5 + 7 = 12 5 + 12 = 17
2 + 5 = 7 3 + 7 = 10 7 + 10 = 17
2 + 7 = 9 3 + 5 = 8 9 + 8 = 17