:
D 1= 0,22 < 1,
/(2×);
Y 2 = s 2 = 0,71 /(2×), D 2= 1,64 > 1;
Y 3 = s 3 = 10,12 /(2×), D 3= 3,12 > 1.
: Y ext = Y 3 = 10,12 /(2×).
:
.
.
.
:
,
aext () ( . 2.7).
:
v = v 1× v 2× v 3× v ext = 1,38×15,63×4,87×1,58 = 166,30.
:
166 , . .
1,58 , .
. , , (Y 1 = 6,26).
( ).