a |____a___||____a___||____a___||____a___||____a___|
b |____a___|.......................800.................................|
Se observa ca 4 segmente=800.
Aflam cat are un segment
4xa=800
a=800:4
a=200
Deci primul nr va fi 200x5=1000
Al doilea numar=200
Verificare:
1000-200=800 ADEVARAT
