October 2021 0 5 Report
один плотник может построить дом за 30 дней . а другой за 45 сколько дней они будут строить дом вместе
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zemelnyj uchastok v forme pryamougolnika imeet perimetr 1440 metrov kakova egodb5af226b349ed74526a9efa346e1b3c 25738
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