Question

3 Выполни действия. 8 руб. 50 коп. — 7 руб. 10 копеек 12 лет 8 мес. + 4 мес. 9ч 10 мин – 3 ч 40 мин 7 сут. 8 ч+2 сут. 20 ч 10 ч 45 мин + 12 ч 38 мин 5 нед. 2 дн. - 4 нед. 6 дн.​

Answer 1

Ответ:

Пошаговое объяснение:

8 руб. 50 коп. — 7 руб. 10 копеек= 1 руб. 40 коп.;

12 лет 8 мес. + 4 мес. =12 лет и 12 мес.=13 лет;

9ч 10 мин – 3 ч 40 мин =6ч. (10-40) мин.= 5ч.30 мин.;

7 сут. 8 ч+2 сут. 20 ч=9 сут. (8+20)ч=10 сут. 4 ч.;

10 ч 45 мин + 12 ч 38 мин=22 ч. (45+38) мин.=23ч.23 мин.;

5 нед. 2 дн. - 4 нед. 6 дн.​=1 нед.(2-6)дней=3 дня

Answer 2

Calculations

To solve the given mathematical operations, let's break it down step by step:

1. 8 rubles 50 kopecks - 7 rubles 10 kopecks - The result is 1 ruble 40 kopecks.

2. 12 years 8 months + 4 months - The result is 13 years.

3. 9 hours 10 minutes - 3 hours 40 minutes - The result is 5 hours 30 minutes.

4. 7 days 8 hours + 2 days 20 hours - The result is 10 days 4 hours.

5. 10 hours 45 minutes + 12 hours 38 minutes - The result is 23 hours 23 minutes.

6. 5 weeks 2 days - 4 weeks 6 days - The result is 1 week 3 days.

Final Results

1. 8 rubles 50 kopecks - 7 rubles 10 kopecks = 1 ruble 40 kopecks 2. 12 years 8 months + 4 months = 13 years 3. 9 hours 10 minutes - 3 hours 40 minutes = 5 hours 30 minutes 4. 7 days 8 hours + 2 days 20 hours = 10 days 4 hours 5. 10 hours 45 minutes + 12 hours 38 minutes = 23 hours 23 minutes 6. 5 weeks 2 days - 4 weeks 6 days = 1 week 3 days