Repetarea calendarului

Teoremă:        Orice calendar se repetă odată la 28 ani.

Demonstraţie:            Temă!

Aplicaţie:        Calendarul 2017 ≡ Calendarul 1989

Profu’ de mate’ la manifestaţie

Leave a Reply

Your email address will not be published. Required fields are marked *

Enter Captcha Here : *

Reload Image

This site uses Akismet to reduce spam. Learn how your comment data is processed.