, 27 2016 . 11:20
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. ( , , ) 15 = 32 .
7,5 , 15 = 50 .
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, 32 50 . .. 18 "": 50-32.
50\18=2,7. 2,7 , , "" 2 3 . , "" 20 , 18-.
" " 25 , 2.
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1 - ...
2 - ... ... ...
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34 -
35 -
36 -
37 - -
38 -
:
-
71
: 78