:
- 3
- 6
- 1 18%
- 250
- 1/2
. , . 6 , . 1
- ( )
, .
1 (2030 ), . 1/3 , 1/3 . 2 . 180 ° 15 .
,
- 2
- 4
- 3/4
3/4 . , , , , .
http://martexsweetdreams.blox.pl/html