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Ecuatie cu solutie unica
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Ecuatie cu solutie unica
Posted:
Wed Jan 14, 2009 6:49 pm
by
alex2008
Sa se arate ca
\( |x|+|x-1|+|x-2|+|x-3|+|x-4|=a \)
are solutie unica daca si numai daca
\( a=6 \)
.