Предмет: Алгебра, автор: sergo22815

раскройте скобки и упростите выражение -2х(х+7)+3х(-2х+1)

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Автор ответа: KaleriaAckerman

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ПЖ СРОЧНО НАДО!!!!!!!
I1. I’m looking for my keys. Has … seen them?
A) somebody B) anything
C) everybody D) anybody
2. She said … but I didn’t hear her.
A) some B) any C) something D) anything
3. Can you lend me … money?
A) every B) any C) some D) not
4. There are … any good hotels in this town.
A) no B) none C) not D) –
5. … needs friends.
A) All B) Everybody
C) Everything D) None people
6. Every house in the street … the same.
A) are B) is C) does D) do
7. Have you read … these books?
A) any B) some C) every D) any of
8. … people want to be happy.
A) most of B) every C) all of D) most
9. … of my friends … clever. They are both silly.
A) None/is B) Both/is
C) Neither/is D) All/are
10. - Do you know Ann and Tim?
- No, I don’t know them …
A) none B) all C) neither D) either
11. - Do you work or are you a student?
- …, I’ve got a job but I study too.
A) None B) Neither C) All D) Both
12. I haven’t read … these books.
A) neither of B) either of
C) much of D) some
13. I’ve got … books and I read …
A) a lot of/a lot of B) a lot/a lot
C) a lot of/a lot D) a lot /a lot of
14. - Are you going out alone?
- No, I’m going with … friends.
A) a little B) few C) a few D) any
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A) few B) a few C) little D) a little
16. I opened the door …
A) slow B) slower C) slowly D) slowest
17. Her English is very …
A) good B) well C) badly D) quickly
18. Why are you …?
A) angry B) more angry
C) angrily D) more angrily
19. I’m sad and lonely. I’ve got … friends.
A) a few B) few C) a little D) little
20. - Is your friend English or American?
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A) None B) Both C) Either D) Neither

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