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хвоя сосны обновляется каждые два года,что составляет 1/3 до 2/5 от продолжительности жизни хвои ели . сколько лет живёт хвоя ели?
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Предмет:
Математика -
Автор:
pokeyawpd - 5 лет назад
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Ответы 1
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2:2/5=2:2*5=5 лет-нижняя граница жизни2:1/3=2:1*3=6 лет - верхняя граница жизни хвои у ели
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Автор:
bella7yvb - 5 лет назад
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