упростите выражение:
1) 12c+(7-c)-(5c-3)
3)1/3(0,3a-0,6)-1/4(0,4a-0,8)
​

Fill in the blanks with a/an, the , -(no article)

1. He doesn't like to drink ... wine.

2. What is ... paper made of?

3. ... reading is his favourite occupation.

4. My mother bought me ... blue ribbon.

5. This has always been me ... blue ribbon.

6. Where is ... paper I was reading two minutes ago?

7. She was asked to deliver ... speech at the reunion tomorrow.

8. Tell him to buy ... tea for me and ... beer for my father.

9. ... good knowledge of a foreign language is always a priority.

10.  Is ... glass really made from sand?

11. There was ... flour everewhere in the kitchen .

12. ... education is what he lacks at present.

13. Is that piece of clothing made from ... wool or ... cotton?

14. When did he come into ... fortune?

form nouns from the following words:

to meditate-

similar-

to feed-

identify-

percept-

to strike-

meek-

devise-

choose-

require-