NIVEAU 4 (CE1 - CE2)

Combinaison : [1,5,8,9] = 23

Calcul 1 Calcul 2 Calcul Final
1 + 5 = 6 8 + 9 = 17 6 + 17 = 23
1 + 8 = 9 5 + 9 = 14 9 + 14 = 23
1 + 9 = 10 5 + 8 = 13 10 + 13 = 23