metoda grafica
porumbei albi:|-------------| }412
porumbei gri |-------------|__114__| }
1. Cat reprezinta 2 segmente?
412-114=298
2. Cati porumbei albi sunt (un segment)?
298:2=149
3. Cati porumbei gri sunt?
149+114=263
verificare 263+149=412
Raspuns: in stol sunt 149 porumbei albi si 263 porumbei gri.