scrie cu adunare repetată numerele 30 și 24​

Răspuns :

30+30+30+30+30+30+30+30+30+30+30+30+30+30+30+30+30+30+30+30+30+30+30+30=60+60+60+60+60+60+60+60+60+60+60+60=120+120+120+120+120+120=240+240+240=480+240=720