: ____________ _________________________ ________________ : ________________ : _________ __________________________________________________ : ______________ _________________________ : ____________ __________________________________________________ : ________ : ____ _________________________ : _________________________ _________________________ : ____________________ : ___________________ |
: ____________ _________________________ ________________ : ________________ : _________ __________________________________________________ : ______________ _________________________ : ____________ __________________________________________________ : ________ : ____ _________________________ : _________________________ _________________________ : ____________________ : ___________________ |
|
: ____________ _________________________ ________________ : ________________ : _________ __________________________________________________ : ______________ _________________________ : ____________ __________________________________________________ : ________ : ____ _________________________ : _________________________ _________________________ : ____________________ : ___________________ |
20 _____________
: , ,
, .
- , : _________________
________________________
|
|
: ___________________________________________________________________
________________________
_________________________________________________________________
________________________
________________________
Vi-
1/10 | 1/20 | 1/40 | 1/80 | 1/160 | |||
Vi - | |||||||
= ______
_________________ _________________
____________ _____________
21 _____________
: , , , . ( ) .
________
________________________