Представьте в виде произведения: а) m(n+k)+2n+2k; б) 3a-3b+(a-b); в) 4(p+q)+mp+mq; г) xy-y2+7(x-y)

7 класс.
Use the words from the box. Box: buildings * masters * cathedrals * churches * desing * fortress * founded * galleries * house * later * magnificent * masterpieces * paintings * rare * restored 


 Yuri Dolgoruky ___ Moscow in 1147. ____ russian Tsars made Moscow a _____ to protect it. After wars and fires the Muscovites _____ it and built new homes for themselves. There were a lot of _____ and ____ in old Moscow. Moscow Tsars asked Italian architects to ____ them. talian and Russian architects created beautiful ____ and painters decorated them with wonderful frescos. The building of the Uspensky Cathedral is ____ ! 
Today Moscow musemus and ____ have ___ things: Russian and Western European ____ , ancient books and metal works of famous ____. The famous Pushkin Museum and Tretyakov Gallery ___ world ___. Moscow is famous for its sights.  

1 Поставьте глагол to be в отрицательную форму в следующих предложениях.

1. There are many computers on the market.

2. Short term measures are enough.

3. Bargaining in shops is usual.

4. Russia is a country which uses cash very much.

5. The clients were informed of the advantages of saving accounts.

6. Why were the clients told in advance about this increase in fees?

Для клуба купили два куска ткани одинаковой ширины, чтобы сшить на окна одинаковые шторы. В первом куске было 27 м ткани, а во втором- 36 м. Из второго куска сшили на 3 шторы больше, чем из первого. Сколько штор сшили из каждого куска?