???, 2.09p ?? 2481.55…?·?? ?? 0.3? ?? 1260.4? ??

9? ???? ? ???(2483.64)?? 2.12???(0.09%) ??? 2481.52? ?? ???.

?????? ? ???(779.98)?? 4.60???(0.59%) ??? 784.58? ??? ????.

?? ?????? ?·?? ??? ? ???(1260.1?)?? 0.3? ?? 1260.4?? ????.

[??=???]