User:Yomomo
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Mainly active in the German Wikibooks Site and working on a school book on mathematics.
This is the current revision of this page, as edited by Yomomo (talk | contribs) at 18:09, 25 December 2019 (Undid revision 932407613 by Yomomo (talk)). The present address (URL) is a permanent link to this version.
Mainly active in the German Wikibooks Site and working on a school book on mathematics.