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Today's Problem


Solve one problem each day

Friday, 11 october 2019

Greutatea cuiului

Proposed by nickxyztOffline
(2 comments)997 times displayed

Problema data la clasa a 7-a, faza nationala a olimpiadei de fizica, etapa practica (acum vreo 22 de ani...). Efectiv, copiii trebuie sa rezolve problema practic.

Te afli in laboratorul de fizica. Ai in fata o cutie din sipca de lemn de brad, cu toate laturile lipite. In cutie se afla un numar necunoscut de cuie, toate de acelasi fel. Stim ca un cui cantareste 5 grame. Aflati cate cuie sunt in cutie, fara a o strica.


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