NIVEAU 5 (CE1 - CE2)

Combinaison : [4,5,7,9] = 25

Calcul 1 Calcul 2 Calcul Final
4 + 5 = 9 7 + 9 = 16 9 + 16 = 25
4 + 7 = 11 5 + 9 = 14 11 + 14 = 25
4 + 9 = 13 5 + 7 = 12 13 + 12 = 25