Question

1)usando as regras de sinais,calcule valor das expressoes

B)[24:{-4}.5]=-6 [2(-36):(-4)+6]

Answer 1

B)[24:{-4}.5]
[-6 . 5 ]
=  -30 

c)-6 [2(-36):(-4)+6]
-6[2 +9 + 6 ]
- 6  + 17
= 11