--> : . . 11 .

 


>> 11 . .

11.

 


: .

19. , , 8?

20. , 2 , 3 ?

21. q = 3 10-7 cos800πt ( ). 2 . ?

>>>

 

 

@Mail.ru



!-- Step 2 - Decide on the place where you want to place the video -->
. , . , -->