T l----l----l----l----l = 80 probleme
I zi l----l =1/4 din 80=80:4=20 probleme
IIzi l------l =1/2 din 60=60:2=30 probleme
IIIzi l-l =1/5 din 30=30:5=6 probleme
IVzi l------l =24 probleme
IV zi=24 ; 24=4/5
24:4=6 probleme/segment
4/5+1/5=24+6=30
III zi=1/5 din 30=30:5=6 probleme
II ZI = (24+6)X2=60 sau
1/2 din 60+60:2=30 probleme
24+6+30=60 probleme=2/3=3/4
1/3=1/4=60:3=20 probleme
Total =60+20= 80 probleme
I zi=1/4 din 80=80=20 probleme
80-20=60
II zi=1/2 din 60=60:2=30 probleme
III zi =1/5 din 30=30:5= 6 probleme
IV zi= 24 probleme
Proba
20+30+6+24=80 probleme