http://sumereck.livejournal.com/ ([identity profile] sumereck.livejournal.com) wrote in [personal profile] civil_engineer 2014-05-01 09:52 pm (UTC)

вопрос в 3 задаче, как понимаю, не про расклад плиток, а про умножение и сравнение площадей (вычитание):
площадь помещения 7*12=84, площадь всех плиток 2*3*15=90. 90>84, значит можно
(50 comments)

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