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Когда из цистерны отлили 4,5 т бензина, в ней осталось 85% начальной массы бензина.Сколько тонн бензина было в цистерне сначало?
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Предмет:
Математика -
Автор:
napoleon - 6 лет назад
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Ответы 1
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100% - 85% = 15%15% = 4,5 т15% = 0,154,5 : 0,15 = 30 т было в цистерне сначала.
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Автор:
admiral9jx8 - 6 лет назад
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