http://plakhuta-e.livejournal.com/ ([identity profile] plakhuta-e.livejournal.com) wrote in [personal profile] memocode 2014-02-10 12:17 am (UTC)

Обратите внимание на случай с кубиком, который верен, как заметил автор и для сферы. Чем в принципе Земля и является.

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