_
""
![](//s45.radikal.ru/i110/0906/dd/77f68536585d.jpg)
( ) .
.
:
-1 , 1 .
-1 .
-1/2 ..
-1 . (150.)
, + , + , +.
1 – 1 ..
2 – 1 ( )
3 – 1 .
( , )
180* 30 – 35 .
----------------------------------------------------------------------
:
1)
2)
3)
4)
5)
%1:
3
1 .
1 ..
1 .
, . 150 + 1 . %1, .
.
: 200 + 50 . .
![](//s49.radikal.ru/i123/0906/6c/fe5044a6c491.jpg)
: odnoklassniki.ru