cate barcute a avut a doua echipa?
30 : 5 = 6 barcute
cate barcute a avut a treia echipa?
30 : 3 = 10 barcute
cate barcute au fost in total?
30 + 6 + 10 = 36 + 10 = 46 barcute
exercitiul problemei
30 + ( 30 : 5 ) + ( 30 : 3 ) = 30 + 6 + 10 = 36 + 10 = 46 barcute