. 0 -1,8-2,0 o 25-28 o (31 o) . , 2-3 o, -1- -2 o.
. . . 1,025/3, 1,028, 1,022 /3. , .
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(P) t (S)
P=1.0275-1.0280 /^3 = 27,5 28,0
= 1000 [P(T,S)/P(4();0) 1]
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