NIVEAU 4 (CE1 - CE2)

Combinaison : [1,5,7,9] = 22

Calcul 1 Calcul 2 Calcul Final
1 + 5 = 6 7 + 9 = 16 6 + 16 = 22
1 + 7 = 8 5 + 9 = 14 8 + 14 = 22
1 + 9 = 10 5 + 7 = 12 10 + 12 = 22