Предмет: Математика, автор: anarbaevsardor01

СРОЧНО НУЖНО УМОЛЯЮ ПОМОГИТЕ С РЕШЕНИЕМ НУЖНО ДАЮ 100 БАЛЛОВ 10 МИНУТ ОСТАЛОСЬ​

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Ответы

Автор ответа: volkmukhamedov
0

Ответ:

  1. (2×-3)2×+1; 2 )×=2 ×=0,4 ;3)×2 1-3/2=1 ;4)×=1/2 ×=1/5

anarbaevsardor01: а остальные примеры где
Автор ответа: iramazurk
1

Пошаговое объяснение:

А)

1) |7 + 2²| = |7 + 4| = |11| = 11

2) 4 * 11 = 44

3) 2 + 44 = 46

4) 4 * 2 = 8

5) 5 * 3 = 15

6) 8 + 15 = 23

7) 46 : 23 = 2

В)

1) 4 * (-6) = -24

2) 5 * 2 = 10

3) 2 + (-24) = 2 - 24 = -22

4) -22 - 4 = -26

5) -26 - 22 = -48

6) -48 - 10 = -58

7) -4 - (-58) = -4 + 58 = 54

С)

1) 6 * 2 = 12

2) 12 + 2 = 14

3) 14 - (-6) = 14 + 6 = 20

4) |-18 : 6| = |-3| = 3

5) -5 + 3 = -2

6) 20 * (-2) = -40

D)

1) 1 - 3 = -2

2) -2 - (-2) = -2 + 2 = 0

3) 6 * 0 = 0

4) 2 * (-3) = -6

5) -6 + 3 = -3

6) -3 - 0 = -3

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Exercise 1. Составьте предложения по образцу, используя модальные глаголы can, could.

Example: I couldn’t skate last winter, but now I can skate well.
1. ...... repeat sentences after the recorded voice.
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Exercise 2. Измените предложения, употребив be able (to) в соответствующей видовременной форме.

Example: I can see you later ... (when you return). I’ll be able to see you when you return.
1. Ann can cook well ... (when she has had more practice).
2. She can’t believe you ... (unless you tell her the truth).
3. Lena can speak fluent English ... (after she has had some lessons).
4. he people from the village can’t reach the house ... (until it stops raining).
5. You can study medicine ... (if you enter that college).


Exwecise 3. Откройте скобки, употребив must или mustn’t.

1. We haven’t got much time. We (...) hurry.
2. Tom gave me a letter to mail. I (...) forget to do it.
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4. Your aunt is badly ill. You (...) go and visit her.
5. Don’t tell anybody. We (...) keep it to ourselves.


Exercise 4. Дополните следующие предложения, используя must.

1. If you want to know English well, you ...
2. If he wants to skate well, you ...
3. If you are unwell, you...
4. If the students want to know grammar, they ...
5. If you want to come in time, you ...
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