1) (202*4):2=808:2=404
2) (210+540)+(160:2)=750+80=830
3) (770:10)-7=77-7=70
4) (500-65):5=435:5=87
5) (345+325)-125=670-125=545
1) (202*4):2=808:2=404
2) (210+540)+(160:2)=750+80=830
3) (770:10)-7=77-7=70
4) (500-65):5=435:5=87
5) (345+325)-125=670-125=545