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:




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M' ( m) v ,




 

:

 

, .

. 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%

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.

, : . , , , .

:

1) .

2) , ( ' v), . . , (m = m' v), , ' v .

:

1) , ; , .

2) , , .

3) , , mv, . . , .[564]

 





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