-(-1,7) +(+8,3)-(+4,35)+(-5,65)=

3^-4*27^-2/3*9-27^-1 1/3+(8^0)^3+(1/8)^-2/3=

каааак??? Как это сделать?! По действиям плиз!

Как расположен Северо ледовитый океан относительно экватора тропиков полярных кругов и нулевого меридиана

Ответить на вопросы: 1.Do you get on well with your parents? 2.Do your parents trust you? 3.Do your sometimes talk back to them? 4.Are you often grounded? 5. What did you do the last time you were grounded? 6. Do you always obey your parents? 7. Do you think you are a good child to your parents? 8. Are your parents often nervous? 9.Do they keep their promises? 10. Are your parents violent? 11. Do you often slam the door and go to your room? 12. Can they rely on your parents? 13. Can they rely on you? 14. Are your parents understanding? 15. Do your parents always have time to listen to your ploblems?

при полно сгорании 5кг топлива выделилось 6*10^8Дж ТЕПЛОТЫ.ОПРЕДЕЛИТЕ УДЕЛЬНУЮТЕПЛОТУ СГОРАНИЯ ТОПЛИВА. ЧТО ЭТО ЗА ТОПЛИВО.