При действии разбавленной серной кислоты на 25 г смеси магния и меди выделилось 3,36 л (н.у.) газа. Вычислите массовые доли металлов в смеси.

НЕКОТОРОЕ число уменьшили на 37 едениц , затем разделили на 92 и получили частное 59 и остаток 35 . Найди это число.

переделать предложения в пять типов вопросов:

Mam is cooking breakfast now.

my family will buy a new hous next year.

Olga watshes TV before going to bed

название реки на северной стороне Италии

и сново прошу помогите!!!

спасибо огромное за помощь!!

1. ... I phone for a taxi for you? 2. What ... you have to drink? 3. Who ... we pass the message to? 4.1 ... never let you go. 5. Where ... I place the books? 6. Let's not talk about it, ... we? 7. Keep your mouth shut, ... you? 8. Let's get started, ... we? 9. When I retire, I ... have more time for my hobbies and friends. 10. — Drive carefully. — Don't worry, I .... 11. The conference ...begin at10.00 a.m. 12. ... I give you a lift to the school? 13. No matter what may happen; we ... always be by your side. 14. ... I be happy, ... I be rich? 15. Where and when ... I see you again? 16. — I hope you ... like my present, darling. — I'm sure I ... . 17. As long as I am head of this company, I ... handle all the business.