. ().
(, , ) - , - .
- . .
. (1). 20 (2).
r = (1)
r = 1- (2)
. - .
.
1. . . , 50%, . , , . , (+, -), . 18-20 . - ( ).
2. (. . 10.1.1). 18-20 , . .
. . (. . 10.1.2). , .
. 1, 2, 3 1-, 2-, 3- , .
1, 2, 3 (1... n), n - .
. , 2- , .
. r (1,2) r (2,X).
.
.
. . , .
: - 1, 2, 4, 10, 11, 16, 23, 25, 29, 31, 34; - 5, 7, 14, 15, 17, 22, 28;
= + .
: - 18, 24, 26; - 3, 12, 32, 35;
= = .
: - 6, 8, 9, 13, 19, 20, 21, 27, 33; - 30
= +