-2   -30  -15,    -170/250

: 16B-1 (-25,4)

16B-1 (-25,4) Z=9

     16B-1 (-25,4) Z=9, D1=16, L=35, dm=50, =0,66

 16B-1 (-25,4) Z=9



16B-1 (-25,4) Z=9 720 P =.


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