Предмет: Математика, автор: kghooo

4 ч 29 мин − 2 ч 36 мин + 8 ч 17 мин =
7 т 5 кг − 68 ц 27 кг + 9 ц 6 кг =


Ответы

Автор ответа: Илья1413
3

Ответы:

10 ч 10 мин, 11ц 59кг

Пошаговое объяснение:

1) 4ч 29мин - 2ч 36мин = 1ч 53мин

2) 1ч 53мин + 8ч 17мин = 10ч 10мин

7т 5кг = 70ц 50кг

1) 70ц 50кг - 68ц 27кг = 2ц 53кг

2) 2ц 53кг + 9ц 6кг = 11ц 59кг (или 1159кг)

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