Talk:Square pyramidal number: Difference between revisions

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==Did you know nomination==
{{Template:Did you know nominations/Square pyramidal number}}
 
== Competition is an essential part in learning ==
 
Essay [[Special:Contributions/105.245.52.158|105.245.52.158]] ([[User talk:105.245.52.158|talk]]) 16:20, 19 May 2022 (UTC)