D88EC7E8-E3FB-4F6D-A2CE-00F7A1C48C48@1xCreated with sketchtool.
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D88EC7E8-E3FB-4F6D-A2CE-00F7A1C48C48@1xCreated with sketchtool.Watch from niconico

グランディ級数1+(-1)+1+(-1)+...＝1/2 の視覚化Watch from niconico

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グランディ級数1+(-1)+1+(-1)+...＝1/2 の視覚化

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https://nico.ms/sm40330008?ref=thumb_watch