29? ???? ?????? ??? ???? ???? ???? ???? ????? ???? ???? ???.

??? ???? ????? ??? ???? ????? ???? ????.

??? 9??? ?? ???, ????, ???, ??? ? 4??? ????? ???? ???, ????? ????? ????. ???, ???(??), ???? ??? ????? ???? ??? ???? ? ??? ????? ??.

13??? 2? ??? ????? △????(????+???+??+????) △??(??+???) △??(??+??) △??(??+??+????) ? 4??? ?? ???? ????? ??, ??, ??, ?? ? 4??? ??? ??? ?? ??.

?? ???? ??? ?? ?? ????? 3?? ??, ?? 2?? ???? ???? ???? ? ???? ??? ??? ??? ???? 18?? ????? ????? ??.

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