9.

50- XX . , , , . , , . /() = 1^2 (),

, , ()

. -:

1) 1 == 2 ( 1 2) , /(1) ^ /(2);

2) %/() ^ 0;

3) , /() = 0;

4) %/(1 2) = /(1) + /(2)  (1 2) = (1 )(2), . . 1 2.

- , . : 1 " > 3" 2 " = 7" , 2 == 1 /(2) ^ /(1); , 2 , 1.

- £() = 1 (). , £() = 1 2-^() /() = ^2 (1 £()).

17

/() £() 1, , 50%, 2, 25%.