решите уравнение и 9,4 -7,8х+0,52=1

Описание картины А.Камарова Наводнение

ответьте на вопросы

1. A there are many real books reader in your class?In what way are they happier than others?

2. in what way have books been important for people throughout our history?

3. what can good books teach people?
4/ What are the few books that every person must read?
5Do you think that books will ever disappear?Why not?
6What would live be like without books?
7What would you call a well published book?Why do people to buy and read good editions of books?
8what should a modern library be like?

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как из CH2=CH2 получить CH2-CH2

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