Предмет: Математика, автор: мира129

Выразите слагаемые в виде десятияной дроби в чачах найдите их сумму: 1ч 30 мин +45 мин +3ч 12 мин+15 мин=

Ответы

Автор ответа: pashapanov2005

1) 1ч 30мин +45мин +3ч 12мин +15мин = 1,5ч + 0,75ч + 3,2ч + 0,25ч = 4,7ч + 1ч = 5,7ч = 5 ч 42мин.

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