-30
-30 . , , . , .
-30 , . , . :
30 .
2 .
200 .
1 .
2 , 2,5 , 3 .
:
---------------------------------------------------135
300------------------------------------240
/ ( 48 )----------480/450 .
-------------------------------------1410 .
---------------------------------------1350 .
------------------------------------------720 .
----------------------------------------360 .
