http://vadeemka.livejournal.com/ ([identity profile] vadeemka.livejournal.com) wrote in [personal profile] cheshire_pig 2009-04-21 06:18 am (UTC)

Если что-нибудь считать в ярдах, футах и дюймах, в определенной области знаний, то в принципе без проблем обе системы укладываются в голове:)
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