Question

8мин 35с - 48 с=39 мин+4 ч 27мин=​

Answer 1

1)сначала переведем всё в секунды(в первом)

1 мин этот 60 сек, значит 8×60=

480+35=515сек-48сек=467сек

переводим в минуты 467:60=7 мин 47 сек

во втором 5 час и 5 сек

Answer 2

To calculate the expression, let's break it down step by step:

8 minutes and 35 seconds can be represented as 8 minutes + 35 seconds. 48 seconds can be represented as 0 minutes + 48 seconds.

Now, let's subtract 48 seconds from 8 minutes and 35 seconds: 8 minutes + 35 seconds - 0 minutes - 48 seconds = 8 minutes - 0 minutes + 35 seconds - 48 seconds = 8 minutes - 48 seconds = 7 minutes and 12 seconds.

Next, let's convert 4 hours and 27 minutes into minutes: 4 hours = 4 * 60 minutes = 240 minutes. So, 4 hours and 27 minutes = 240 minutes + 27 minutes = 267 minutes.

Finally, let's add the previous result (7 minutes and 12 seconds) to the converted time (267 minutes): 7 minutes + 267 minutes = 274 minutes. 12 seconds remain unchanged.

Therefore, the final result is 274 minutes and 12 seconds.