Предмет: Математика, автор: Moxlox2

Вычисли:

(272⋅36−306)⋅24−1700:34.

Ответы

Автор ответа: igorlatysev60
0

Ответ:

у меня получилось 227 614

Автор ответа: kemelovadiana
0

Пошаговое объяснение:

272×36=9792

9792-306=9486

9486×24=227664

1700:34=50

227664-50=227614

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Exercise 1 Choose from the sentences a-f the one which fits each gap (1-5) in the text. There is one extra sentence.

 

Science & Technology    

Technology is an important part of our lives. We use computers and other electric equipment at work and in the home. However, some people believe we rely too much on machines, and that the more technology improves, the lazier and weaker humans will become.
Technological advances are changing our lives very rapidly. Nowadays we can't do without such gadgets as mobile phones, PCs, digital tape recorders, air conditioners, fax machines and so on. (1) ____________ .

In my opinion, technology facilitates our lives and saves our time. Computers help us do the most difficult sums and investigate complicated data. (2)_______________ . It is much easier to do housework nowadays, thanks to electric equipment such as microwave ovens, washing machines and so on.
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Of course, such way of life does much harm to their health. They spend hours in front of the screen. Many people feel ill at ease without their laptop computers or GPS navigation systems. For example, such technological developments as the telephone and the Internet have made communication much easier, but they can cause the loss of social interaction. People do business, communicate and do the shopping via the Internet. In my opinion, modern society can't do without progress and technology.

 

 

 

Exercise 2 Преобразуйте выделенные слова так, чтобы они соответствовали тексту.

 

Some people say that technical devices do more harm than good. However, others think that it is (1) POSSIBLE to live without computers or mobile phones nowadays.
   Nowadays people can't imagine their lives without different technical devices. Every day we use computers, laptops, mobile phones, i-Pods, digital tape recorders and so on.
   I have always wondered if our lives could be better without these technical devices.     Personally, I can't do without my computer as it helps me study. For example, it helps me prepare reports and create beautiful (2) PRESENT.  Besides, the computer is a great source of entertainment. I often play computer games, watch films or listen to music. The Internet helps me learn the latest news, access (3) USE information; communicate with my friends and what not. A mobile phone is a vital part of my daily life. It gives me an opportunity to be (4) REACH everywhere and to keep in touch with my friends.
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    To conclude, I would prefer a technological way of life to a natural one, though it has a number of (6) ADVANTAGE In my opinion, modern society can't do without progress and technology. People can avoid the risk to human life and health if they use technological devices wisely.

 

 
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