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— , . , .
:
1
= 4 .
= 3 .
= 3 .
= 1 .
(, ) = 1 /2 .( )
( ) = 1 /2 .
= 85
= 100
= 3 % 500 ( 50 9 %, )
=3 /4
()= 1 . .
=1 .
:
, , , — , , , ( ). , , , , 2 , . , .
, .
!!
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