966:7-(834:6×3-264:4+100-450)=
138-(139×3-66+100-450)=
138-(417-66+100-450)=
138-(351+100-450)=
138-(451-450)=
138-1=137
Răspuns:
137
Explicație pas cu pas:
966:7-(139×3-264:4+100-450)=
966:7-(417-264:4+100-450)=
966:7-(417-66+100-450)=
966:7-(351+100-450)=
966:7-(451-450)=
966:7-1=
138-1=
