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%%%%%%%%%%%%%%%
\newcommand{\sol}{\vskip3mm\Blue{{\underline{Ðåøåíèå} }}}
%%%%%%%%%%%%%%%%%%%%%%%%
%Ó¨ðô ø÷ 3 òþ÷õú
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%%%%%%%%%%%%%%%%%%%%%%%%
%Ó¨ðô ø÷ 4 òþ÷õú
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%%%%%%%%%%%%%%%%%%%%%%%%
%ãðàô
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