a) |____a______| = 100
b) |____a______||____a______||____a______| = 100+100+100=300
c) |____a______||____a______||____a______|....17....| = 100+100+100+17=317
Total =717
in total avem 7 parti egale
7xa+17=717
7xa=717-17
7xa=700
a=700:7
a=100
Deci un segment=100