Question

Calcule o valor das expressões:
a) (−23) . (+12) . (−35) =
b) (−23+34) . (15−16)
d) (16−23) . (56+12)
e) (−18) ∶ (−23)
f) (14+12) ∶ (16+110)
g) (23−12) ∶ (−34)

Answer 1

Resposta:

a) (−23) . (+12) . (−35) =

-276 . -35 =

9.660

b) (−23+34) . (15−16) =

11 . -1 =

-11

c) (16−23) . (56+12) =

-7 . 68 =

-476

d) (−18) ∶ (−23) =

0,78

e) (14+12) ∶ (16+110) =

26 : 126 =

0,20

f) (23−12) ∶ (−34) =

11 : -34 =

0,32