Пожалуйста помогитееее.......
все РАСПИСЫВАТЬ до капли
Упростить:
а) 4 (5-3а) - (11-а);

б) 2 (3х-у) -6 (5х+3у);

в) -2а(3с+4)+6ас;

г) 5 (а-2с+1) -4 (-3+3с-а);

д) –х(2у+7)+7 (х-4ху).

Ответьте на вопросы.
1.Which continent is larger, Africa or Australia?
2.Which ocean is the largest?
3. Which ocean is the smallest?
4.Italy is in Europe, isn't it?
5. India is in Asia, isn't it?
6.What other countries in Asia do you know?
7.The shores of what countries does the Atlantic Ocean wash?
8. The shores of what countries does the Pacific Ocean wash?
9. What other countries in  Europe do you know?