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,

, , , , , () . , . 100 , , , 50 .

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. "". , .

50 , . 51 . (. 3).

Up2h1<0,5Up1p2 Up2h2<0,5Up1p2, Up4h1<0,5Up3p4 Up4h2<0,5Up3p4 HI 2 1 50 . , HI 2 1 . 2. , , , . , , .

"" (. 4)

"" , . - , R = 10 (. 5).

 

 

(. 6) 51 . : Up1h1<0,5Up Up1h2<0,5Up, Up2h1<0,5Up Up2h2<0,5Up.

-.

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GB 89 U (. . 7). VII "". , "+" "-". .



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