9.

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

, , ()

. -:

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

2) %/() ^ 0;

3) , %/() = 0;

4) %/(1 2) = %/(1) + %/(2) Π (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%.