NIVEAU 4 (CE1 - CE2)

Combinaison : [1,3,8,9] = 21

Calcul 1 Calcul 2 Calcul Final
1 + 3 = 4 8 + 9 = 17 4 + 17 = 21
1 + 8 = 9 3 + 9 = 12 9 + 12 = 21
1 + 9 = 10 3 + 8 = 11 10 + 11 = 21