a |.....|.....|.....|.....|.....|.....|.....|
b |.....|
a:b=7=> a=7b
a-b=726
a=7 segmente
b=1 segment
a-b=6 segmente
6 segmente=726=> 1 segment=726:6=121
b=1 segment=121
a=7 segmente=7·121=847
R: a=847; b=121
verificare: 847:121=7
847-121=726