Предмет: Математика, автор: лявка

В некотором городе из 4000 появившихся на свет младенцев 1990 девочек. Найдите частоту рождения мальчиков в этом городе. Результат округлите до тысячных.

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Автор ответа: kimaksu

0

4000-1990=2010(мальчиков)

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