http://green-fr.livejournal.com/ ([identity profile] green-fr.livejournal.com) wrote in [personal profile] green_fr 2015-01-05 09:04 pm (UTC)

Мне не обязательно (давайте детей учить математике только на задачах, имеющих практическое применение?), но, наверное, многим людям понравится больше. Если у тебя есть идеи таких задач - говори.
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