NIVEAU 4 (CE1 - CE2)

Combinaison : [2,5,7,9] = 23

Calcul 1 Calcul 2 Calcul Final
2 + 5 = 7 7 + 9 = 16 7 + 16 = 23
2 + 7 = 9 5 + 9 = 14 9 + 14 = 23
2 + 9 = 11 5 + 7 = 12 11 + 12 = 23