???, 2.04p ?? 2453.25…?·?? ?? 1.50? ?? 1298.0? ??

20? ???? ? ???(2451.21)?? 2.04???(0.08%) ?? 2453.25? ????.

?????? ? ???(775.62)?? 2.06???(0.27%) ?? 777.68 ??? ????.

?? ?????? ?·?? ??? ? ???(1299.50?)?? 1.50? ?? 1298.0? ????.

[??=???]