2.2.1.
1=4.5; 2=3. (I) (II), :
2´4.5 + 1´3 = 12,
2´4.5 + 3´3 = 18,
.. , ( (III)) :
1´4.5 + 3´3 < 15
( 15 (1´4.5 + 3´3) = 1.5).
:
( ), ?
, , ? ( ) (F = 40.5). (I) (II), ( ).
:
2 1 + 1 2 = 12+1, (I)
2 1 + 3 2 = 18. (II)
D (D=2´3 1´2 = 4),
D1 = (12 +1) ´3 1´18 = 18 + 3 = 21,
D2 = 2 ´18 (12 + 1) ´2 = 12 2 =10,
1 = 21/4 =5.25, 2 =10/4 = 2.5.
:
F 1 = 5 ´ 5.25 + 6 ´2.5 = 41.25,
y 1 = F 1 - F = 41.25 40.5 = 0.75.
, , :
2 1 + 1 2 = 12,
2 1 + 3 2 = 18 + 1.
D1 = 12´3 1´ (18 + 1) = 18 1 = 17,
D2 = 2 ´ (18 + 1) 12 ´2 = 12 + 2 =14,
1 = 17 / 4 = 4.25, 2 = 14 / 4 = 3.5
:
F 2 = 5 ´ 4.25 + 6 ´3.5 = 42.25,
y 2 = F 2 F = 42.25 40.5 = 1.75.
, (): y 1=0.75, y 2= 1.75, y 3= 0.