Răspuns :
a /........../........../........../........../2/
b /........../
{ 17 }
a:b=4 rest2
a-b=17
=> 3 segmente+2=17
1 segment=(17-2):3=15:3
1 segment=5
b=5
a=4 segmente +2
a=4·5+2
a=22
verificare: 22:5=4 rest 2
22-5=17