(940+50):10-86×0=
(600675-675):1000:10=
14800:100+300=
(705487-5487):1000×10=
8×79+21×8=
5×193-93×5=
(563+213):8=
614+774:9=

(940+50):10-86×0=(94+5)*10/10-0=94+5=99 (600675-675):1000:10=600000/10000=60 14800:100+300=148+300=448 (705487-5487):1000×10=700000/100=7000 8×79+21×8=8*(79+21)=8*100=800 5×193-93×5=5*(193-93)=5*100=500 (563+213):8=776/8=97 614+774:9=614+86=700