Предмет: Математика, автор: mountainwoodlands123

Матем 5 класс срочно
8/9-2/3=?
5/6-9/12=?
1-5/20=?​

Ответы

Автор ответа: qq4505948
1

Ответ:

1)8/9-2/3=8/9-6/9=2/9

НОК(9;3)=9

2)5/6-9/12=10/12-9/12=1/12

НОК(6;12)=12

3)1-5/20=20/20-5/20=15/20=3/4

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..........Завдання 1. Ознайомитись та записати в конспект нову лексику по темі «Інтернет»

network мережа
browser браузер (програма)
surf the Net (v) мандрувати по мережі в пошуках інформації, здійснювати серфінг по мережі
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Internet. WWW.
The Internet opens up vast resources and business opportunities for millions of users around the world and makes communication the easiest it has ever been.
The Internet is a worldwide network of computers, holding vast quantities of data that you can access directly from a PC.
An intranet is a network which uses the same technology as the Internet. However, an intranet is private, and can only be accessed by a particular group of people who have permission to look at the intranet pages. Intranets are often used in business and educational contexts.
A piece of software called a browser is needed to access the Internet. Once you are connected, you can surf the Net i.e. move from one place tо another, looking for information on the Internet. If you find something of interest you can download it, i.e. copy a file from an online service to your computer.
The World Wide Web, also referred to as the Web (WWW), is considered by many users to be the most exciting aspect of the Internet. It is a universe of pages containing text, images, sounds, and video clips. The pages of the Web cover a vast range of topics, presented in an attractive, interesting, and easily accessible form.
The information on the Web is displayed in websites. A website can consist of one or many web pages. Websites are written in HTML, a special programming language.

Завдання 3. Дати відповіді на наступні запитання:
1. What is the Internet?
2. What possibilities does the Internet open up for millions of users around the world?
3. What is the Intranet?
4. Can the Intranet be accessed by everyone?
5. Where are intranets used?
6. What is needed to access the Internet?
7. What is meant by “surfing the Net”?
8. What is the World Wide Web?
9. What do the pages of the Web cover?
10. Where is the information on the Web displayed?
11. How many web pages can a website consist of?
12. What language are websites written in?
13. How much time do you spend surfing the Internet?

Ex.4. Об’єднати слова в таблиці з поданими нижче визначеннями:

Internet service provider online Internet WWW to download
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1. a network of the places you can visit on the Internet to view, listen to, and save text, sound or video;
2. a huge computer network of electronic mail and information, used by millions of people and organizations all over the world;
3. connected to other computers by modem;
4. to save an electronic file from one computer to another by modem;
5. company that sells Internet service;
6. a computer networking link restricted to a specific group of users;
7. to browse electronically through the Internet;
8. to read through data files;
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2. I recommended him to search ... for information about vacancies in the banks.
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12. I was ... through their catalogue.
13. ... is a group of interconnected computer systems at different locations that are able to exchange information with one another.
14. You can ... our files from the Internet.
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