http://barbastello.livejournal.com/ ([identity profile] barbastello.livejournal.com) wrote in [personal profile] earlyhawk 2010-09-28 01:15 pm (UTC)

А мне вчера сын-первоклассник принес из школы определение прямой: линия, не ограниченная с обеих сторон.
(53 comments)

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