., — 200 .. ( ) + 60 .. ( ) = 260 .. .160 260 .., 1600 ./, , , , .:-- — 100 .. + 30 .. ( ) = 130 ../ .1 = 10 ../.= 5 ../.( 1 ) = 5 ../.--= 150 ../., - -- 150 .. . 1000 ./ -, 100 .. .