: ● 2 . ● 2 . ● 2 . ● 1.5 .. ● 1.5 .. ● 6 .. ● 1 . ● 1 .. ●. 1/3 . ● 1 . : 1 = 250 ( !!!). 1 / /. ( ) , . 60 60+20 . " - + , .