FeI2+KOH+H2O2=Fe(OH)3+...+...

схематическая запись задач

Петя записал  в ряд все числа от 2006 до 1:       

2006,2005,2004,2003,2002,2001,2000.....2,1.

Затем Петя около четных чисел поставил плюсы,а около нечетных поставил минусы.

Какой результат получил Петя

 Перевести текст:

Goverment regulations limit what a company may do.For example, some countries demand that the company files a plan indicating what it-is going to produce , how many local workers it is going to hire and how much it will pay the workers.This plan must also fit into the goverment economic master plan.If the country changes its master plan, the foreign firm must change its plans, too.