Răspuns :
a |-----|------|------|-------|--5-|
b |-----|
74-5=69 ( 3segmente egale cu a)
69:3=23 (a)
23×4+5=97 (b).
b |-----|
74-5=69 ( 3segmente egale cu a)
69:3=23 (a)
23×4+5=97 (b).