14

13. ,

- ()
:18929
82.53 .
- +
,.
:18928
104.54 .
- +

:18927
224.9 .
- +

:17525
3.82
- +
d=15 , ()
:19063
16.51 .
- +
d=10 , - ()
:19062
70.15 .
- +