4
, , . . .
1. 2% , 117 .
2. 128 .
3. , - 360 .
4. , , 270 .
5. , , , , . 61 .
6. , :
-->
() = 450 , 20 . --> () = 80 , 0 .
30 . = 110 , 9. --> 2 . =45 , 3 .
120 . = 480 , 42 . --> 120 . = 130 , 3.5.
50 . ( , ) = 590 , 29 . --> 100 . = 120 , 2 .
1 = 450 , 13 . --> 1 = 250 , 2 .