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:
( ) = 2
() = 2
( , 7 .) = 5
( 3 ., .. ) = 4
() = 7 .
( ) = 1 . .
( , , , ) = 1/2 .
( ) = 2/3 . .
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— 2-3
— 300
() — 1
( 20%) — 200
(, ) — 1 . .
— 1 . .
: , -
:
. . , . , , , - - . 100 . 20. , , ( ). . . . . , .
. 200 . 20 . "" , , . . ,100. , . . , (200 .) 40 . – , (), – ! – , .
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