Поставь во всех выражениях скобки 72-18:6+3=66 72-18:6+3=72 72-18:6+3=70 СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
72-18:(6+3)=70 72-(18:6)+3=72 72-(18:6+3)=66
72-(18:6)+3=72 72-18:(6+3)=70 72-(18:6+3)=66