NIVEAU 5 (CE1 - CE2)

Combinaison : [4,7,8,9] = 28

Calcul 1 Calcul 2 Calcul Final
4 + 7 = 11 8 + 9 = 17 11 + 17 = 28
4 + 8 = 12 7 + 9 = 16 12 + 16 = 28
4 + 9 = 13 7 + 8 = 15 13 + 15 = 28