_____________________________________
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______________________ 20
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300 50÷70 % . 30 , . (.1), , . 45 . ,
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. ____________
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200 7 (. VII.2). 3 5 (). 30 , . . , 1 .
_____ ____ ;
____ ____ , ____ ;
____ ____ , ____ .
. ___________________________ ( __________).
(505) . 50 02 ( 0,2 ). .
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: 02 ______ , _____ %;
______ , _____ %.
. ___________________________ ( __________).