Question

calcule o valor das expressões numéricas:

a) 40 : 8 +2 ×16=

b) 40 : (8 + 2 ×16) =

c) 40 : (8 +2) × 16 =

d) (40 : 8 + 2) × 16 =​

Answer 1

a) 40 : 8 + 2 ×16= 5 + 32 = 37

b) 40 : (8 +2×16)=40:(8 +32)= 40:40= 1

c) 40 : (8 +2)×16 =40:10 ×16= 4×16=64

d) (40 : 8 + 2)×16 =(5+2)×16=7×16= 112