:
( )= 400-500
=200
=350-400
=1 .
=2
=1,5-2 .
,
=2-3 .
, , .
, , , 5-6 . , , ( ). 30-40 , 3-4 . , , , . , . – , . , – . , . – , . , – . , .
!!!
"": 1 - 2 - 3 - 4 - - "" 10 5 - ... 32 - 33 - 34 -