# Ikusgela - Zergatik kontatzen dugu hamar arte?

Sistema hamartarra da gure matematikaren oinarria. Honen errua, edo ardura, orain 350 milioi urte, Devoniarreko putzuren batean, lau hanka eta hogei hatz zituen animalia batek du.

- Kind: Short
- Year: 2026
- Runtime: 6 min
- By: Ikusgela
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Ikusgela_-_Zergatik_kontatzen_dugu_hamar_arte%3F.webm)
- Licence or status: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0) (as the archive states it)
- Credit: Ikusgela
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/193580160?play=1)