NIVEAU 4 (CE1 - CE2)

Combinaison : [3,5,6,7] = 21

Calcul 1 Calcul 2 Calcul Final
3 + 5 = 8 6 + 7 = 13 8 + 13 = 21
3 + 6 = 9 5 + 7 = 12 9 + 12 = 21
3 + 7 = 10 5 + 6 = 11 10 + 11 = 21