500-180\(90\45)+30= (90+510\30)*(80\4*5)= 100000-284*235= 9999+406*207=

Question

500-180\(90\45)+30=
(90+510\30)*(80\4*5)=
100000-284*235=
9999+406*207=

Answer 1

1. 500-180\(90\45)+30=
1) 90\45= 2
2) 180\2 = 90
3) 500-90= 410
4) 410+30=440
 (ИЛИ)
1) 90\45= 2
2) 500-180= 320
3) 320\2= 160
4) 160+30=190
2. (90+510\30)*(80\4*5)= 10700
1) (90+510\30)= 107
2) (80\4*5)= 100
3) 107*100= 10700
3. 100000-284*235=33260
1) 284*235= 66740
2) 100000-66740=33260
4. 9999+406*207= -74043