http://tzinch4.livejournal.com/ ([identity profile] tzinch4.livejournal.com) wrote in [personal profile] tzinch4 2014-12-17 01:38 pm (UTC)

я не математик:) Я в бытовом плане интересуюсь. Если Вам это не близко - проходите мимо:)
(32 comments)

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