Представьте многочлен в виде разности многочленов 5х^4-3х^3-2х^2-1 - Дата: 12.07.2019, Автор: melany - №30477310

Представьте многочлен в виде разности многочленов 5х^4-3х^3-2х^2-1
- Предмет:
  Алгебра
- Автор:
  melany
- 6 лет назад

Ответы 1

5x⁴ - 3x³ - 2x² - 1 = (5x⁴ - 3x³) - (2x² + 1)
- Автор:
  talonlogan
- 6 лет назад
- 0
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Read the text. Match the sentences A–F with the gaps 1–5 in the text. There is one extra sentence you do not need.
The death of the cinema?
1_____ In the 1940s thirty million people in Britain went to the cinema regularly. It wasn’t expensive. Ordinary working people could afford it and it was a treat for children. It was also the place to see the news. Hundreds of cinemas opened up all over Britain.
2_____ By the 1960s more and more homes had televisions, and cinemas started to close. In the 1980s people watched videos. Then came satellite TV, the Internet and computer games. By the end of the twentieth century, fewer and fewer people went to the cinema.
3_____ New technology like 3D means that cinemas can offer something most people can’t get at home. In 2007 the number of people going to the cinema started to go up again. When the 3D film Avatar came out in 2009, it broke records – millions of people went to see it at the cinema.
4_____ Now there are huge multiplex cinemas showing ten different movies, there are drive-in cinemas and open-air screens in parks. Over 100 years after the first movie theatres in America opened, the cinema is still evolving.
5_____ It is true that you can watch a film on the bus on your smartphone, on a screen that is smaller than your hand. But the cinema experience, with friends, popcorn and ice cream is a tradition we have learned to love. It seems the cinema will be around a while longer.

A In the second half of the century, different forms of entertainment became popular. _____
B There is something special about seeing a film in the cinema. _____
C The ratings system helps parents choose which films are suitable for children. _____
D In the first half of the twentieth century, going to the cinema was the most popular
form of entertainment. _____
E However, in the twenty-first century, cinemas are fighting back! _____
F Cinema venues have also changed in the last few years. _____
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