Question

Resolva as seguintes expressões numericas :

a) (+24) + (-6) + (+8) - (-21)=
b)(-1440) : (-9-5 + 2 ) - 19. (-5) =
c) [1/2- (1 + 1/2)²] . ( 2 - 2/3)
d) [(-8) . (-27) - 12 . (-17) + 3 .16 ] : (1 - 7) =

COM CALCULOS PFV

Answer 1

a) 18+29
47

b) (-1440)÷(9-5+2)+95
-240+95
-145

c) (1/2-9/4)×(2-2/3)
(-7/4)×4/3
-7/3

d) (216+204+48)÷(-6)
468÷(-6)
-78