решите систему уравнения{2х-3у=1,{3х+у=7. - №13484627

решите систему уравнения{2х-3у=1,{3х+у=7.
- Предмет:
  Математика
- Автор:
  kaiqhro
- 5 лет назад

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5 Класс.
Три последовательных натуральных числа дают в сумме 111. Найдите эти три числа
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Номер 94 ,помогите плиз!спасибо заранее!!!я все свои балы выставила я умоляю!!!
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3. Substitute the underlined words with their synonyms.
1. My friend’s surname is Petrov.
2. He is a freshman.
3. He has been enrolled into the University this year.
4. His hobbies are fishing and computer games.
5. He spends much time online, browsing the Net.
6. He has less free time now than he had at school.
7. Reading helps to develop one’s way of thinking.
8. He has taken part in a number of sport competitions this year.
9. There are many buildings and places for playing sport on the campus.
10. He wants to remain level with the changes in technology.
11. He likes to spend time with his friends.

4. Insert prepositions, where necessary.
1 She was born … the 16th … August 1988.
2. My friend studies … Far Eastern State Transportation University.
3. … school she got interested …physics and mathematics.
4. She’s entered … the University this summer.
5. She spends a lot of time …front of the computer.
6. She likes to search … new information … the Internet.
7. She’s fond … sewing, knitting and cooking.
8. She’s talented … making things … hand.
9. She’s more … a spectator when it comes to sport.
10. Her brother prefers to play … football.
11. It’s important for an engineer to keep … with the changes going on in
technology.
12. She’d like to travel all … the world.
13. She enjoys staying … home … her free time.
- Предмет:
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Предложение со словом приду.
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