NIVEAU 3 (CE1 - CE2)

Combinaison : [1,3,7,8] = 19

Calcul 1 Calcul 2 Calcul Final
1 + 3 = 4 7 + 8 = 15 4 + 15 = 19
1 + 7 = 8 3 + 8 = 11 8 + 11 = 19
1 + 8 = 9 3 + 7 = 10 9 + 10 = 19