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Найдите углы АОВ и ВОС , если угол АОВ в 2,6 раза больше, чем угол ВОС, а угол АОС развернутый . Сделайте чертеж. Решите пожалуйста!
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Предмет:
Математика -
Автор:
ciscoug7p - 6 лет назад
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Ответы 1
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2,6 + 1 = 3,6180/3,6 = 5050 * 2,6 = 130Ответ: 50 и 130
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Автор:
garrido8nnx - 6 лет назад
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0
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Нужна помощь! Выберите правильную цифру за место пропуска
1. Don't be late. The film.......at 8:00 pm.
1) is starting 2) will start 3) starts
2. The plane took off ten minutes after the last passenger had ......... it.
1) caught 2) booked 3) boarded
3. This picture .....at the beginning of the century.
1) was painted 2) had painted 3) painted
4. Look at Martha's expression. She ..........screaming any minute now!
1) is starting 2) is going to start 3) will start
5. Lisa ........ have cooked this delicious meal.
She doesn't even know how to boil an egg!
1) mustn't 2) shouldn't 3) can't
6. Dan's health has really ........ ever since he stopped eating junk food.
1) developed 2)increased 3) improved
7. Nathan is ......selfish to care about what others think of him.
1) very 2) too 3) enough
8. We ........ half the rubbish on the beach by the time Jeff arrived.
1) have cleaned up 2) had cleaned up 3) had been cleaning up
9. Ben tells the ........jokes I've ever heard.
1) funnier 2) funniest 3) most funny
10. When his mother asked him if he knew anything about the broken window, he just........his shoulders and said nothing.
1) crossed 2) clenched 3)shrugged
11. Gary didn't mean .....you. He was just in a bad mood.
1) hurt 2) hurting 3) to hurt
12. Anne asked her new classmate where......from.
1) did he come 2) he came 3) does he come
13. Make sure you wear a hat when you're out in the .......weather.
1)steaming 2) boiling 3) baking
14. If Frank.....us, we wouldn't have finished the project on time.
1) wouldn't help 2)didn't help 3) hadn't helped
15. We ...........for three hours before wedecided to take a break.
1) must be trekking 2) had been trekking 3) have been trekking
16. A good way to .......... a problem is to think about it calmly and carefully.
1) win 2)beat 3) gain
17.After living in London for a few months, Emma finally ...........driving on the left.
1) used to 2) got used to 3) was used to
18.It ....... like the bus is running late. Let's catch a taxi.
1) is looking 2) has looked 3) looks
19. ........Bob gets paid soon, he will not be able to pay his bills.
1) If 2) Unless 3) When
20. There was thick black........coming out of the burning building.
1) fog 2)smoke 3) smog
25. Mr Adams speaks..........than anyone I know.
1) slower 2) more slowly 3) the most slowly
26. Sue wanted to change the appearance of her living room, so she.............by a professional
interior designer.
1) decorated it 2) had it decorated 3) had decorated it
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Предмет:
Английский язык -
Автор:
lorenzo91 - 6 лет назад
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