плиз помогите решить примеры!\

[tex]\frac{4.64}{5.1} [/tex]:[tex]\frac{2}{3}[/tex]+[tex]\frac{4.32}{8.5}[/tex]*1[tex]\frac{1}{4}[/tex]

 

 

 

и  уравнение-

[tex]\frac{x}{-7.2}[/tex]=[tex]\frac{5.3}{3.6}[/tex]

 

 

Интересы, какого социального слоя выражал Александр первый

Complete the sentences with the following verb forms. There is one extra verb that you don`t need.

to arrive, to read, complaining, reading,

to beat, to say, doing, travelling,

to learn, to travel, ironing, using,

to open, to use, playing, writing.

1. It`s polite...... sorry when you`ve done something wrong.

2. It`s important...... foreign languages.

3. I recommend...... his letters. They`re very funny.

4. It`s exciting...... to other countries.

5. It was difficult...... the door.

6. I`II meet you at the station. What time do you expect......? 

7. Have you ever tried...... a book in English?

8. Every summer I go...... in Britain.

9. When will you finish...... the email? I`d like...... the computer, too. 

10. Martin talked me into...... tennis with him. He`s a very good player and he managed...... me easily.

11. You should avoid...... swear words.

12. I don`t mind...... the washing, but I hate...... .

Диагональ прямоугольного участка земли равна 116 м,а одна из сторон-84 м .Каков периметр участка???