№1

а)Найдите НОД(10668; 9810)

б)Сократите дробь  9810/10668

№2

а)Найдите НОД (1176; 1764)

б)сократите дробь 1176/1764

№3

Решите уравнение:

2(x - 2) + 3 = 0,4(x + 8)

докажите что биссектриса любого из внешних углов при вершине равнобедренного треугольника параллельна основанию.

. Do you often take a bus I Trolley-bus / taxi I the metro I tram? 2. How do you go to your plant / office / institute? 3. Is there much traffic in your town? 4. How can you get from your home to the nearest railway station? 5. How long does it take you to get there? 6. What are the things the pedestrians must remember to be safe and sound? 7. In what countries does one keep to the left when driving? 8. Which is the busiest street in your town / city? 9. What’s kind of vehicles do you see there? 10. What's the bus fare in your town?

Какова молярная концентрация раствора азотной кислоты с массовой долей 65%, плотность раствора равна 1,4г/мл?