упростить выражение 1с^2(3с+2)(-5с-3) - №30741632

упростить выражение 1с^2(3с+2)(-5с-3)
- Предмет:
  Математика
- Автор:
  chelsea22
- 5 лет назад

Ответы 1

Ответ:
c^2((-15c-19)c-6).
самому этот пример надо было решить
- Автор:
  ryder87
- 5 лет назад
- 0
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Task 1 Transform the words if necessary and fill in the gaps

Tim woke up later than usual. It was Sunday and he __________________(1HAVE) lots of plans for the

day. He was in the bathroom cleaning his _____________(2TOOTH) when he heard some unfamiliar voices

from the veranda. “Who could they be?” Tim __________________(3_THINK). When he came into the

room, his mum and two other women ____________________(4CHAT) happily and didn’t notice him. Tim

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Task 2 Transform the words if necessary, using prefixes and suffixes, and fill in the gaps

Last year I learnt Spanish in Barcelona. Spain is an _______________(1AMAZE) country and I enjoyed my

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________________________(2COMMUNICATE) was a real problem for us because I didn’t speak

German and they didn’t speak English, my first language. Sometimes we felt absolutely

_________________(3HELP) because we were not able to understand each other. However, it gave us

additional motivation to learn Spanish! Very soon my teacher told me that I was speaking it

_______________(4FLUENT). He was happy with my progress. My flatmates’ grades were

________________(5_IMPRESS) too! It proved that practice is very important and if you want to speak a

foreign language like a native __________________(6_SPEAK_), you should practise it a lot.

Task 3 Compete the sentences with the prepositions: over, after, at, to, on, up, off, along, away, out.

1) Would you drink coffee here, or to take ___________.

2) Give _________your dirty shoes!

3) I’m sure your idea is bad, give it _________.

4) The teacher was giving ________ our tests at that moment.

5) I was very busy, left my friends and made _________ to my sports club.

6) Who is looking _________ these flowers? They are so beautiful.

7) How are you getting _________ in your new flat?

8) The news turned _________ to be very good.

9) The boy didn’t read the book, he just turned the pages________.

10)You are a new pupil, do you get __________ well with your new classmates and teachers?

11) Look _______me, are you crying?

12) Turn _________ the TV set, I want to sleep.

13) It’s time to get down __________ work.

Task 4. Transform if necessary the words and fill in the gaps

1)___________________ information is situated on the blackboard. Far

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The red knife is as3) __________________as the green one. Sharp

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Where is 7)_________________ ____ road crossing? Near
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Who is 9) _________________________ you or he? Clever
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