Question

Resolva as expressões numéricas

a) – 5 – (– 7) + 15 + 8 = 25

b) (-2) + (-3) =

c) l) (-12) . 3 + 6 =

d) (-54) : (-9) + 2 =

e) 20 + (-10) . (-5) =

f) (-14)² + 42 : 3 =

g) 40 : (-2)² + 9 . 10³ =

Answer 1

Resposta:

a) 25

b) -5

c) -30

d) 8

e) 70

f) -182

g) 9010