42 , , , , :
43 - , , 0 - , , - , - , () :
= / 100
= / 100
= 0 / 100
= 0 / 100
44 :
,
,
45 S1 S1 , S2 S2 - , 1 2 , 1 2 , 1 :
1 = (S1 S1) / S1
1 = (S2 S2) / S1
1 = (1 2) / 1
1 = (1 2) / 1
46 S1 S1 , S2 S2 - , 1 2 , 1 2 , 2 :
2 = 1 - [S2 / S1 (1 1) / (2 2)]
2 = 1 - [S2 / S1 (2 2) / (1 1)]
2 =1 [S2 / S1 (1 1) / (2 2)]
2 = 1 - [S2 / S1 (1 1) / (2 2)]
47 , , , :
48 , , , , :