?? ???? ???? ??? ??? ?????? ????? ?? ?????.
29? ???? ?????? ??? ???? ???? ???? ???? ????? ???? ???? ???.
??? ???? ????? ??? ???? ????? ???? ????.
??? 9??? ?? ???, ????, ???, ??? ? 4??? ????? ???? ???, ????? ????? ????. ???, ???(??), ???? ??? ????? ???? ??? ???? ? ??? ????? ??.
13??? 2? ??? ????? △????(????+???+??+????) △??(??+???) △??(??+??) △??(??+??+????) ? 4??? ?? ???? ????? ??, ??, ??, ?? ? 4??? ??? ??? ?? ??.
?? ???? ??? ?? ?? ????? 3?? ??, ?? 2?? ???? ???? ???? ? ???? ??? ??? ??? ???? 18?? ????? ????? ??.
??=????? shjung@donga.com