??? ???? ???
???(????·??)? ??? ??????? 4? ?? 500m 2? ????? ?? ? ??? ????. ???? 6? ??? ????? ?? ??? 500m 2? ????? 34?28? ???? ?? ???(34?38)? 0.1? ?? ??? 1?? ???.
?? 1? ????? 5?? ??? ???? ?? 100m? 9?55? ???? ???? 0.01? ???? ?? ??? ???? ???? ?? ???. ??? ???(????)? 500m 2? ????? 37?64? ???? ?? ???.
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