() |
=2 |
l1 |
l2 |
5- .
( 5) :
, (9)
a , , =2,0;
l1, l2 , ;
: 1) l=700; 2) l1=400; l2=300;
. (10)
9394,27 |
8+50 |
10+00 |
10+80 |
12+50 |
8+50 |
10+00 |
10+80 |
12+50 |
11+50 |
l=l+l (10)
l=140,89
l = S1 /V (11)
l =65,89
l = S2+S3 \ V(12)
l =75
S1 = 150*9394,27*0,5
S2 = 0,5*(9394,27+3242,62)*80
S3 = 3242,62*0,5*70