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*Sa se calculeze :

a) [tex]\left|\begin{array}{ccc}3&-1&2\\1&4&5\\-2&-1&-1\end{array}\right|[/tex]
b) [tex]\left|\begin{array}{ccc}2&1&3\\3&2&1\\1&3&2\end{array}\right|[/tex]
c) [tex]\left|\begin{array}{ccc}1&2&-5\\2&-1&0\\4&-1&0\end{array}\right|[/tex]
d) [tex]\left|\begin{array}{ccc}0!&1!&2!\\1!&2!&0!\\2!&0!&1!\end{array}\right|[/tex]
f) [tex]\left|\begin{array}{ccc}10&20&40\\-1&-5&-7\\-100&200&400\end{array}\right|[/tex]
g) [tex]\left|\begin{array}{ccc}11&21&47\\-1&18&7\\0&0&0\end{array}\right|[/tex]
h) [tex]\left|\begin{array}{ccc}-8&2&8\\3&7&-3\\-1&5&1\end{array}\right|[/tex]
i) [tex]\left|\begin{array}{ccc}300&400&500\\1&-1&4\\3&4&5\end{array}\right|[/tex]
j) [tex]\left|\begin{array}{ccc}10&-1&3\\50&1&1\\100&2&1\end{array}\right|[/tex]
k) [tex]\left|\begin{array}{ccc}5&11&-1\\15&22&-3\\25&44&-5\end{array}\right|[/tex]