99 - 33 = 66 л
300 - 250 = 50 г
66 ----- 50
22,4 --- х
х = 17 (видимо аммиак)
66 л ---50 г
33 л ----25 г
99 -----75г
250 ---100%
25 -----х
х = 10%
300 ---100%
75 ----х
х = 25%
масса воды
:
250 - 25 = 300 - 75 = 225 г
Peter was stopped by the policeman.
The rock concert was watched by millions of people.
Our bathrooms will be repaired by the workers.
A new prime minister has been elected.
The old hospital is being rebuilt by the government.
The motorway has been closed by the engineers.
Interesting articles are written by our students.
My laptop was stolen.
The cup was won by the Portuguese.
Dinner was served by the waiter in a red coat.
3) 1. by
2. on
3. by
4. of
5. on
4) 1. fly, sail
2. cross
3. ride
4. drive
7) я как в учебнике сделаю, просто поставлю цифры, а ты их в таком же порядке запишешь
2
6
3
1
4
5
Франсин,Стен,Роджер.Вроде все
Скажи упражнение,по фотке не видно