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

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

jakus.mejarec123

zvuk i buka dodatna grupa iz matematike oŠ brestovec11 zvuk-longitudinalni* val frekvencija 20-20 000 hz *longitudinalni val - val u kojem se čestice

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ZVUK I BUKA | Presentation by jakus.mejarec123