NIVEAU 3 (CE1 - CE2)

Combinaison : [1,4,5,7] = 17

Calcul 1 Calcul 2 Calcul Final
1 + 4 = 5 5 + 7 = 12 5 + 12 = 17
1 + 5 = 6 4 + 7 = 11 6 + 11 = 17
1 + 7 = 8 4 + 5 = 9 8 + 9 = 17