(940+50):10-86*0=990:10-0=99-0=99
(600675-675):1000:10=600000:
1000:10=60
8*79+21*8=8(79+21)=8*100=800
5*193-93*5=5(193-93)=5*100=500
990:10-86*0 = 99 - 0 = 99
600000:1000:10 = 60
8*79+21*8 = 632+168 = 800
5*193-93*5 = 965-465 = 500
(940+50):10-86*0=990:10-0=99-0=99
(600675-675):1000:10=600000:
1000:10=60
8*79+21*8=8(79+21)=8*100=800
5*193-93*5=5(193-93)=5*100=500
990:10-86*0 = 99 - 0 = 99
600000:1000:10 = 60
8*79+21*8 = 632+168 = 800
5*193-93*5 = 965-465 = 500