Предмет: Математика, автор: Anuta200510

площадь спорткомплекса 15680 м 2 седьмую часть всей территории занимают открытые площадкикрытый стадион 7140 м 2 а остальное велотрек какую площадь занимает велотрек?

Ответы

Автор ответа: samotugaa
0
15680×1/7=2240 (м^2) - площадь открытых площадок. 15680-2240-7140=6300 (м^2) - площадь велотрека.
Похожие вопросы
Предмет: Английский язык, автор: danielhaev7
Упражнение 1. Выберите правильный вариант глагола
1. Last summer we visited / have visited all the interesting places in the region.
2. There are foot prints everywhere! Someone came / has come here!
3. It is an interesting book, I have read / read it.
4. They are not in the city, they moved / have moved to the country for the summer.
5. Mr Brown has changed / changed his job last year.
6. When did you go / have you gone to France?
7. I never watched / have never watched this film.
8. They watched / have watched an interesting movie a week ago.
9. Last winter she has sold / sold her flat and went / have gone to live abroad.
10. She broke / has broken her leg in the childhood.

Упражнение 2. Поставьте глагол в скобках в нужную форму (Past Simple, Present Perfect)
1. Mary (finish) school 10 years ago.
2. He (write) a letter and now he is going to send it.
3. Last weekend they (go) to the sea.
4. When you (come)?
5. I (not decide) yet where to go this weekend.
6. John (leave) his bag in the library last Monday.
7. Harry and Jane (buy) new TV set and now are enjoying a film.
8. His grandfather (die) when he was a child.
9. Clara (be) never abroad.
10. John (not arrive) yet.

Упражнение 3. Поставьте глагол в скобках в нужную форму (Present Perfect или Present Perfect Continuous )

1. It’s still snowing. It … (snow) for hours.
2. Steve … (go out) with two girls this weekend.
3. They … (win) two prizes so far.
4. I … (attend) a swimming-pool for 5 years.
5. I … (peel) onions, that’s why my eyes are red.
6. Crank … (be) in hospital for 2 weeks already.
7. We … (know) each other since
8. Our neighbor … (have) that car for 20 years.
9. The baby … (cry) for a couple of hours.
10. Don’t worry, the film … (not start) yet.
Предмет: Алгебра, автор: Аноним
Предмет: Математика, автор: kseniakoroleva1