= ( ) /
= (1 + 2) / (1 + 2)
.
= 1/(1+2)
= ( + ) /
= ( + ) / ( )
, 0,2, 20 % . , .
12..
1. (), : = /, : - , - .
. .
2. (), : = /, : - - , - .
. .
4. 14. .
, . . , ( )
. . (), ( , , ) . ,
3 | ||||||||
4 | ||||||||
5 | . | |||||||
, ³.
:
1. ():
= ()/( ).
2. ():
= ()/( ).
, . , , , .
.:
:
1. , = 3 /,3 ,- . = 0,5. .