субъект с присущими ему индивидуальностями чертами и качествами как продукт определенной социальной экономической формации это

упростите cos(3pi/4+a)cos(pi/4-a)-sin(3pi/4+a)sin(pi/4-a)

вынесите общий множитель за скобки 10аб-15б2

б) 18а3+6а2

Make these sentences negative or interrogative as in the example.

EXAMPLE :

She has got a good friend.     Has she got a good friend?

He has to return before two o clock.     He doesnt have to return before two o clock.

1. steve has got to spend more time doing his homework.

2. Mother has got an old photo of herself as a little girl.

3. We have to study the map of the British Isles.

4. They have got a passport.

5. All the people have got to take care of the envieonment.

6. We have got a good bus service in our town.

7. This country has got a monarch.

8. She has to ask someone for advice.

9. We have got to learn more about this empire.

10. Teenagers have to be polite to grove-ups.

Спасибо большое!!

кубический корень x^2 + кубический корень x = 6