:
, .
. v m' , . :
) v m , , :
80c + 20 v + 10 m; m' = 50%, ' = 10% 90c + 10 v + 20 m; m'= 200%, 1 = 20%.
, , ;
20 v + 10 m == 10 v + 20 m = 30. , 20 10 , 10, 20. , v m , .
b) ' v , . v '.
I. 80c + 20 v + 20 m; ' 100%, ' = 20%
II. 72c + 28 v + 20 m; ' =71 3/7%, ' = 20%
III. 84c + 16 v + 20 m; ' = 125%, ' = 20%.
I 40 20 v, II 48 28 v, III 36 16 v. , ; , , , , , .
c) ' v ;
.
90 + 10 v + 10 m; ' = 100%, ' = 10% 80c + 20 v + 30 m; ' = 150%, ' = 30% 92c + 8 v + 6m; ' = 75%, ' = 6%.
, : 20, 50 14; , , , , , .
: 8
M', v
, II, ' .
, :
1) , ' , '.
80c + 20 v + 20 m; ' = 100%, ' = 20% 80c +20 v + 10 m; m' 50%, ' = 10%
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100%: 50% = 20%: 10%.
2) m',
. . , m', ' , m'.
80c + 20 v + 10 m; m' = 50%, ' = 10% 70c + 30 v + 20 m; m' = 66 2/3 %, p' = 20% 50%: 662/% < 10%: 20%.
3) , m',
, m', ' , m'.
80 + 20 v + 10 m; m' = 50%, ' = 10% 90c + 10 v + 15m; m' = 150%, ' = 15% 50%: 150% > 10%: 15%.
4) , m', , m', ' , m' , ' , m' .
80c + 20 v + 20 m; m' = 100%, ' = 20% 90c + 10 v + 15m; m' 150%, ' = 15%,
m' 100% 150%, ' 20% 15%.
5) , , ‑ m', , m', ' , m' .
. , , , , , . m' v , , m' , . . , ,
80c + 20 v + 20 m; = 100, m' 100%, ' = 20%
, , 16 v , 20 v. 4 v, :
80c + 16 v + 24m; 96, m' = 150%, ' = 25%.
, ' = 20%, , 120, , 104:
104c +16c + 24m; = 120, m' = 150%, ' = 20%.
, , ; 80 104; , , . ' v, , , , , .
. .
, , , , . , , I.
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, : . , , , .
:
1) .
2) , ( ' v), . . , (m = m' v), , ' v .
:
1) , ; , .
2) , , .
3) , , mv, . . , .[564]