Gerard Koolstra
@gerardk@mathstodon.xyz
Joined: 11/07/2022
About Gerard Koolstra
(ex) leraar wiskunde havo-vwo
redacteur WiskundE-brief
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@gerardk@mathstodon.xyz
Joined: 11/07/2022
(ex) leraar wiskunde havo-vwo
redacteur WiskundE-brief
gerardk has no public lists
gerardk has no activity yet