Răspuns :
[180-30]/5+720-[120-78/3]
⇒150/5+720-[120-26]
⇒30+720-94
⇒750-94
⇒656;
⇒150/5+720-[120-26]
⇒30+720-94
⇒750-94
⇒656;
[tex](60*3-30):5+240*3-(120-312:4:3)=150:5+240*3-94=[/tex][tex]30+720-94=750-94=656.[/tex]