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http://wellconstruction.ru/konstr3/ustranenie-uglo...alomov-na-poverhnosti-odezhdyi
, « ».
. ( , , ..), .
.
( 1)
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, - -.
-«» 4/4 (« »)
.
= 1 = = ½ / 3,14 / (4/4).
(: 70/2/3,14/(4/4) = 11,15)
1 = .
= 11 = ().
(: 50 )
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