. . . - .
:
1) (): .1210 +1220;
2) (): .(1300+1530 +1550-1100);
3) ():
= + ,
: - (.1400).
4) ():
= + ,
: - (. 1510). .
(-) (+) 1 2,3,4.
5) () ():
=-
6) () ():
=-
7) () ():
=-
. :
S={S(),S(),S()};
S()={1, 0}
S()={0, <0}; = ¸
4 :
1) S={1,1,1}, . 0
0
0
. .
2) S={0,1,1}, . < 0
0
0
, .
3) S={0,0,1}, . < 0
< 0
0
, . .
4) S={0,0,0}, . < 0
< 0
< 0
, .
:
- ;
-
- , .