👤
a fost răspuns

Efectuati utilizand factoru comun12.13+12.15+12.72. 702*256-702*55+702*799;

Răspuns :

Baghera27
12×13+12×15+12×72=12(13+15+72)=12×100=1200
sau era
12.13+12.15.12.72=12/100 × (13+15+72) =12/100 × 100= 12

702×256-702×55+702×799=702(256+55+799)=702×1110=779220