Question

760-(120+80)+60=
500-(270+130)-1=
120:(60:6):2=
90:(45:9)*2=
Пажалст)))

Answer 1

760-(120+80)+60=760-200+60=560+60=620
500-(270+130)-1=500-400-1=100-1=99
120:(60:6):2=120:10:2=12:2=6
90:(45:9)*2=90:5*2=18*2=36