Предмет: Математика, автор: Аноним

(4/5- 11/15)× 5/11 ПОМОГИТЕ ПОЖАЛУЙСТА НАЙДИТЕ ЗНАЧЕНИЕ ВЫРАЖЕНИЯ

Ответы

Автор ответа: tanped
2
1)4/5-11/15=12/15-11/15=1/15
2)1/15*5/11=1/33
Автор ответа: piksaeva85znayka
2
(4/5-11/15)×5/11=1/33

1)4/5-11/15=12/15-11/15=1/15
2)1/15×5/11=1/3×1/11=1/33
--------------------------------------------
а)(1 1/2+3/4)×(1 1/2-3/4)=1 11/16
1)1 1/2+3/4=1 2/4+3/4=1 5/4=2 1/4
2)1 1/2-3/4=1 2/4-3/4=6/4-3/4=3/4
3)2 1/4×3/4=9/4×3/4=27/16=1 11/16
б)1 1/2×3/4-1 1/2÷3/4=3 1/8
1)1 1/2×3/4=3/2×3/4=9/8=1 1/8
2)1 1/2÷3/4=3/2÷3/4=3/2×4/3=1/1×2/1=2
3)1 1/8+2=3 1/8

piksaeva85znayka: ок
piksaeva85znayka: напишу в ответ
piksaeva85znayka: все!
piksaeva85znayka: не за что))))))
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помогите!

2.Составьте предложения из этих слов. Поставьте глаголы в правильную форму.

1. always/early/Sue/arrive

2. to the cinema/never/I/go

3. work/Martina/hard/always

4. like/chocolate/children/usually

5. Jackie/parties/enjoy/always

6. often/people’s name/ forget/I

7. TV/Sam/watch/never/

8. usually/dinner/we/have/at 7.30

9. Kate/always/nice clothes/wear.

3.Допишите отрицательные предложения. Используйте don’t/doesn’t + глаголы:

cost go know rain see use wear

1. The weather here is usually nice. It …. much.

2. Paul has a car, but he … it very often.

3. Paul and his friends like films, but they …. To the cinema very often.

4. Amanda is married, but she … a ring.

5. I … much about politics. I’m not interested in it.

6. The Regent Hotel isn’t expensive. It … much to stay there.

7. Ed lives near us, but we … him very often.

4. Напишите вопросы, начинающиеся с Do.? или Does.?

1. I like chocolate. How about you? – Do you like chocolate?

2. I play tennis. How about you?

3. You live near here. How about Lucy?

4. Tom plays tennis. How about his

friends?

5. You speak English. How about your

brother?

6. I do yoga every morning. How about

you?

7. Sue goes on holiday a lot. How about

Paul?

8. I want to be famous. How about you?

9. You work hard. How about Anna?

5. Составьте вопросы из этих слов + do/does, соблюдая правильный порядок слов.

1. where/live/your parents

2. you/early/always/get up

3. how often/TV/you/watch

4.you/want/what/for dinner

5. like/you/football

6. like/your brother/football

7. what/you/do/in your free time

8. your sister/work/where

9. breakfast/always/you/have

10. what/mean/this word

11. in winter/snow/it/here

12. go/usually/to bed/what time/you

13. how much/to phone New York/it/cost

14. you/for breakfast/have/usually/what