Răspuns:
60:{60-60:[3600:(60-x:6)-100]-27}=62-60
60-60:[3600:(60-x:6)-100]-27=60:2
60-60:[3600:(60-x:6)-100]=30+27
60:[3600:(60-x:6)-100]=60-57
3600:(60-x:6)-100=60:3
3600:(60-x:6)=20+100
60-x:6=3600:120
x:6=60-30
x:6=30
x=30·6
x=180
Explicație pas cu pas: