Aelly
14.06.2023 23:30
Алгебра
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1. Прочитай текст и отметь, какие утверждения после него соответствуют содержанию (Т, F, NS). Nobody knows when or where people began to use words. Probably the first language had short simple sounds for things that were important to early people – meat, rain, fire, and stone. We know practically nothing about it because early people never wrote what they said. But we are sure that when words appeared, people began to tell each other what they are thinking. Then, about 5,000 years ago people started writing. The first kind of writing did not use letters as we today. People just showed each other pictures to demonstrate what they mean.

Early people used words only to name things that were important for them.

Nowadays people have very few facts about the first words.

People did not put down their ideas.

About 5,000 years ago most people could write.

Early writing was not like ours.

2. Впиши в предложения слова из рамок в соответствующей форме.

Piece, dictionary, leaf, mouse, goose

1. and are animals.

2. There were several of cake on the table.

3. Nick says he has bought two Russian-English and English-Russian.

4. There were lots of dry on the ground.

Destroy , pronounce, prefer, stretch

1. I inform you that the enemy just a lot of buildings in the area.

2. Each time Betty this sound in a new way. She can not remember the right way to do it.

3. I am telling you the plain is not large at all. It ___ to the east only for 2 or 3 miles.

4.“ When I was young. I ___ coffee to tea,” said Mrs. Loveday.

3. Впишите артикль the , где это необходимо.

1. Pacific Ocean 3.___ Ural Mountains 5. English Language

2. city of Perth 4. ___ Tower Bridge 6. Statue of Liberty

7. to be at work 8. Such fresh air

4. Выбери и напиши соответствующий вариант из данных в скобках.

James ( maybe/ may be) at work, but I am not sure.

Americans use the word ( fall, autumn) when they speak about the season that comes after summer.

This pair of shoes ( is, are) too small.

(This, these)trousers are very fashionable.

In Russia when you speak in-seven-old pupil, you know that he or she goes to a (primary / secondary ) school.

Sofia is no at home. She has (gone/been) to work.

I spent a lot of money ( last/this) month.

John, you are not reading the newspaper. Can you hand it (out/over) to me?

If you are tired, you should go to ( - /bed).

5. Поставь глаголы в Past Simple/ Present Perfect

She (leave)the room this morning.

We (not solve) the problem yet.

A big black cloud (cover) the sky jus now.

When ( you see)Danny the other day?

I__already(made) the dress myself !

It (not be) cold the day before yesterday.

How many photographs(you take?)

She (come) home five minutes ago.

Mike is not at school , he (fall) ill.

Nick (not play) football yesterday.

Why(he not come) to you this morning(10.00am)?

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Ответы на вопрос:

yulia3789
4,7(76 оценок)

(2x+7)(x²+12x-30)-5x²-2x³-2x²=0 (2x+7)(x²+12x-30)-x²(2x+7)=0 (2x+7)(x²+12x-30-x²)=0 (2x+7)(12x-30)=0 2x+7=0⇒2x=-7⇒x=-3,5 12x-30=0⇒12x=30⇒x=2,5

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