1.
= 0,5(100+80) =540 /
2. :
=540+75 300/3,6=6790 /
3. :
h=( =6,66
4. :
=0,5(80+100) 3=270
=(270+0,5 )(1+2.22)=1083,85
=6790/1083,85=6,26 /
5. :
=6,66-2=4,66
6. 5.7. /h f, 5.1, 0,95
=6,26 0,95=6 /
7. 5.3. 85 % , 30 % , 50 % . , 30 % - .
8. 5.3 , =6 / =4,7 .