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По заданой таблице абсолютных частот найди среднее арифметическое значение X 2 4 6 10
m 2 6 8 4
ответ :​

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Ответ:

1. By two o’clock the teacher had examined all the students.

2. On my way to school I remembered that I had left my report at home.

3. All my friends were glad to hear that I had passed all the exams successfully.

4. Poor boy opened his eyes, looked around and tried to remember what had happened to him.

5. All the passengers saw at once that the old man had traveled a lot in his life.

6. By the time we came to see him, he had left home.

7. During the holidays my friend visited the village where he had lived in his childhood.

8. When they entered the hall, the performance had already begun.

9. When I came home, my mother had gone shopping.

10. He had studied French before he entered the university.

Упражнение 2.

1. I thought he had already gone home.

2. I didn't see him after we had met at the concert.

3. He had left the house before I had time to ask him anything.

4. After he had spent some days in Paris he felt lonely and wanted to return home.

5. He spoke a language we had never heard before.

6. When the rain had stopped, I looked out of the window.

7. The telegram came some minutes after he had left.

8. She thought that Tom and Lanny had quarreled.

9. The girl was glad that she had foind a seat near the window.

10. He remembered that he hadn't rung her up in the morning.

11. By the time the train reached the city, he had made friends with many passengers.

12. When my uncle had left, he hurried to the station to book a ticket.

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Ответ:
albinakoptleuova06
albinakoptleuova06
09.04.2021 18:20
1. When we met him, he was going to the shop. He wanted to buy some food. 2. What were you looking for when I opened the door? 3. Was your daughter skating on the pond from five till six? 4. What were they laughing at when he came in? - They were laughing at a funny story. 5. Where was he going when rain began)? - He was going to the office. 6. What was she playing when I rang her up? - She was playing the violin. 7. Who was quarrelling at that time? - His friend was quarrelling. 8. Beth and Tom were watching a TV programme when their mother asked them to help her. 9. Were you helping your mother while she was washing up? 10. The scientist working in the laboratory when some­body switched off the light. 11. Whom were you talking on the phone to, when I came into the room? 12. Jane was having a walk in the park when it began to snow. 13. Why weren't you having classes at nine o'clock? - Our teacher was ill. 14. Yesterday the whole lesson we revised grammar. 15. While Helen was  taking a shower mother was washing the dishes. 16. I was laying the table when I broke a plate. 17. When I met them in the yard, they were laughing. 18. She didn't get up at six o'clock yesterday. She got up at eight. 19. They were just leaving the house when we arrived. 20. When he came to the station, his friend were already waiting for him.
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