.
.
. , .
. , . .
, . 1) , 2) , ( ), 3) . , , , .
, . , . 1 (. 1) 2 ( . 2)
. .
= 43 . = 33 .
1 (.1)
. , - , . - . , . , . (), ( . 2).
. . 2 ( .1).
2 (.2)
(.1) = 11 (.2) = 1"1" (.2) = 2.5 .
(.1) = 11 (.2)
(.1) = 1" 1" (.2)
(.1) = 1" 1 (.2)
1/2 +
1/2 +
.
.
, .
, . .