NIVEAU 4 (CE1 - CE2)

Combinaison : [1,6,7,9] = 23

Calcul 1 Calcul 2 Calcul Final
1 + 6 = 7 7 + 9 = 16 7 + 16 = 23
1 + 7 = 8 6 + 9 = 15 8 + 15 = 23
1 + 9 = 10 6 + 7 = 13 10 + 13 = 23