http://heilnull.livejournal.com/ ([identity profile] heilnull.livejournal.com) wrote in [personal profile] elena_mikhaylenko 2017-12-15 04:44 pm (UTC)

Я взял из какой-то детской олимпиадной задачки, что песок занимает 60% объема ведра, а 40 воздух и докинул на глаз 1,5 раза. То есть чисто песок бы занял по моему расчету 0,04 куб. км.
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