TOTO,
we're not in Kansas anymore...

A server error occured and unexplained things are happening around us.

petra.kollmannova

pytagoras zo samu petra kollmannová 3.c1 narodenie: 580 pred kr./572 pred kr. Úmrtie: 500 pred kr./490 pred kr.•filozof •matematik •astronóm •akustik

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Pytagorova veta | Presentation by petra.kollmannova