Найди значение выражений: (4513-871)*3600: (2081+16432: 208)=

1)On a sunny afternoon last June they were in the park.

3On a sunny afternoon last June they were in the park.

1) if i had known that you were ill last week, i`d have gone to see you. 2) tom wouldn't have entered for the examination if he had known that it would be so difficult. 3) it`s good that ann reminded me about tom`s birthday. i would have forgotten if she hadn`t reminded me. 4) i`d have sent you a post card while i was on holiday if i had had your address. 5) we might not have stayed at this hotel if george hadn't recommended it to us.

1) if i knew her number, i would telephone her. 2) i wouln't buy that coat if i were you. 3) i would give you a cigarette if i had one but i`m afraid i haven`t. 4) if you didn't go to bed so late every night, you wouldn`t be so tired all the time. 5) i wouldn`t mind living in england if the weather was better.

Пошаговое объяснение:

1) 18000:3=6000 книг в день переплетает первая мастерская

2) 18000:6=3000 книг переплетает вторая мастерская.

3) 3000+6000=9000 книг переплетают в день обе мастерские вместе.

4) 18000:9000=2 дня уйдет на работу, если обе мастерские будут работать вместе.

Или

2-й

Пуст 1 - это задание, соответствующее 18000 книгам.

1) 1:3=1/3 - производительность первой мастерской

2) 1:6=1/6 - производительность второй мастерской

3) 1/3 + 1/6 = 2/6 +1/6=3/6 =1/2

4) 1 : 1/2 = 2 дня уйдет на работу, если обе мастерские будут работать вместе.