Предмет: Математика, автор: vadim99991

7 ч 10 мин-40 мин= 84 кг 500 г+900= 9 ч 55 мин+40 мин= 84 кг 300 г-800г=

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Автор ответа: katernamay

430 мин - 40 мин = 390 мин.= 6ч 30 мин
84 кг 500 г + 900 г= 85кг 400 гр
595 мин + 40 мин =10 ч 35 мин
84кг300г - 800 г = 83 кг 500гр

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