точки  А,В,С и К лежат на окружности так , что АК- деаметор , угол СКВ =25 градусов, угол САК = 20 градусов . Найдите величину угла АКВ

Стоимость покупки вычесляется по формуле C=cm,где C-стоимость покупки,c-цена 1 кг товара,m-масса товара.

a)Вычислите стоимость купленного сахара,если c = 30 р.,m = 3 кг.

б)Сколько килограммов сахара купили,если C = 96 р.,c = 24 р.?

в)Запишите формулу,по которой можно вычислить массу покупки m.

соченение к магиле льва

какую роль играет предпринимательство в развитии экономики?

1. Выберите  и отметьте правильный вариант

1. 

 My grandma often used to sitting outside the door of his house. 

 My grandma often used to sit outside the door of his house. 

2. 

 Did you use to playing football at school? 
 Did you use to play football at school? 

3. 

 I'm sure you'll get used to living in the country. It's so nice here. 
I'm sure you'll get used to live in the country. It's so nice here. 

4. 

 I didn't use to liking reading reference books, but now I'm getting interested in it. 
I didn't use to like reading reference books, but now I'm getting interested in it. 

5. 

He always used to teasing his sister. 
He always used to tease his sister. 

6. 

 We aren't use to cold weather. 
 We aren't used to cold weather. 

7. 

 I've watched TV every night recently. I never used to doing it before. 
I've watched TV every night recently. I never used to do it before. 

8. 

They aren't used to hard working. 
They aren't used to hard work. 

9. 

It's difficult to understand Scottish people if you're not use to their accent. 
It's difficult to understand Scottish people if you're not used to their accent. 

10. 

I'm not used to playing tennis so long. 
I'm not used to play tennis so long. 

11. 

People used to thinking that the earth was flat. 
People used to think that the earth was flat. 

12. 

As far as I know, you used to smoking a pipe, aren't you? 
 As far as I know, you used to smoke a pipe, didn't you? 

13. 

 When I was younger I was used to swimming long distances, but now I'm out of practice. 
When I was younger I was used to swim long distances, but now I'm out of practice. 

14. 

There used to being a castle before the Romans came. 
 There used to be a castle before the Romans came. 

15. 

David can't get used to studying regularly. 
 David can't get used to study regularly. 

16. 

 She used to dancing every night, but now she is taking English. 
 She used to dance every night, but now she is taking English. 

17. 

 Are you used to sleeping late at weekends? 
Are you used to sleep late at weekends?  My grandma often used to sitting outside the door of his house.