Răspuns :
7 x 4 = 28 scaune ocupate
6 x 3 = 18 scaune neocupate
7+6 = 13 mese in total
28 + 18 = 46 scaune in total
6 x 3 = 18 scaune neocupate
7+6 = 13 mese in total
28 + 18 = 46 scaune in total