. , .
:
1. (+) (-)
=
(490+640-190),
(220+210);
2. (+) (-)
= +
(590);
3.
= + +
(610).
.
.
, , .
. , .. , -.
():
1. >=0,5
= /
2. <=1
3. = 290 / 190
.
2 , ( 190) , .. .
4.
= /
, .
. .
5. >=0,1
6.
= ( + ) /
.
7. -
= ( + + + ) /
>0,5.
8.
|
|
= / ( + )
9. .
10. - .
11.
= 190 / (490 + 590 + 640)
12. ( 4)
= ( .. + ) /
13. ( , )
= (590 + 690 640) / (490 + 640)
, : >= 2, >= 0,1.
, . 6 :
= ( + 6/12 ( )) / > 1
= 2
> 1, .
, 3 :
= ( + 3/12 ( )) / > 1
> 1, .