Răspuns:
a+b+c+d+e+f=801
a|..........|
b|..........|..|1
c|...........|..|..|2
d|...........|..|..|.|3
e|....... ..|..|..|.|.|4
f|............|..|.|.|.|..|5
egalam segmentele
1+2+3+4+5=15
801-15=786
aflam primul nr:
786:6=131
a=131
b=131+1=132
c=131+2=133
d=131+3=134
e=131+4=135
f=131+5=135
aflam suma dintre primul si ultimul numar
131+135=266
succes