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2 40 () , 8 . 12 , 3 4, . , ; , , 2 , . , 4-5 , . , .

= 40
= 10 = 12,29 .
= 1/16 = 0,768 .
= 1/20 = 5 = 0,61 .
= 40 = 16,38 .
= 32 = 96 = 409,51241 .

 .
       -   IV-   -
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