Question

C) -10+(-300):[(-100+55):9]-2+{64:8.12-6-(-217+127)}:180

Answer 1

-10+(-300):[(-100+55):9]-2+{64:8.12-6-(-217+127)}:180
-10+(-300):[-45:9]-2+{64:8.12-6-(-90)}:180
-10+(-300):[-5]-2+{64:8.12-6+90}:180
-10-300:[-5]-2+{64:8.12-6+90}:180
-10+60-2+{8.12-6+90}:180
-10+60-2+{96-6+90}:180
-10+60-2+180:180
-10+60-2+1
+50-1
 +49

Espero ter ajudado!

Answer 2

  
 
  

C) -10+(-300):[(-100+55):9]-2+{64:8.12-6-(-217+127)}:180
 
      -10+(-300):[(-45):9]-2+{8.12-6-(-90)}:180]
     -10+(-300):[-5}-2+{96-6+90)}:180]
    -10+60 - 2+180:180
     -10+60 - 2+1
     -10+60 - 1 
    - 11 + 60
       +  49