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SilverRain
http://club.osinka.ru/topic-66201?&start=240
.....5 + 1 . 70-0-70 11 3/3, 10 . " " 40 . . 4/4. 2 .6, 5- , 8 , ( ) 2 . 11 44 "", 3/3. 11 10 . , 2 (1 - 2 , 1 - ) . , . 35 . 11, 6 ... , 7-8 ,
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:
L=2r =D,
:
L - ( )
= 3, 14
r- (.. 2r = D)
D-
:
D=L/
52 :
D = 52/3,14 = 16,5
0,5-1
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