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Patrat perfect !

Posted: Fri Mar 21, 2008 7:16 pm
by deleter
Se da numarul de forma \( \bar {aabb} \) , patrat perfect , in baza 10.

Posted: Fri Mar 21, 2008 7:36 pm
by Virgil Nicula
Indicatie : \( \overline {aabb}=11\ \cdot\ \overline {a0b} \) .

Posted: Fri Mar 21, 2008 7:46 pm
by handleman
ce trebuie sa faci????

Posted: Fri Mar 21, 2008 7:50 pm
by deleter
Ooops! am gresit la enunt ! trebuie sa se afle numarul :) , nu este voie sa se posteze exercitii care se pot da la o olimpiada , sau de difictultate mare ?! problema asta am postato , dar am facut-o :D

Posted: Fri Mar 21, 2008 7:51 pm
by deleter
Oricum , multumesc pentru indicatie , Domnu` Nicula

Posted: Sat Mar 22, 2008 1:36 pm
by handleman
dupa indicatie \( \bar{aabb} \)=\( 11^{2} \)\( n^{2} \)
n apartine{3;4;5;6;7;8;9}=>n=8=>\( \bar{aabb} \)=7744