Question

5) Calcule o valor das expressões:
a) (12 + 8.10) - 8
b) 50+ [7 + (80 - 40 : 2)]
c) 25 - (105 + 18:3)
d) 60 - [8+ (10-2):2]​

Answer 1

Explicação passo-a-passo:

a) (12+8.10)-8=

=20.10-8=

=12.10

b) 50+[7+(80-40:2)]=

=50+[7+(80-20)]

=50+(7+40)

=50+47

=97

c) 25-(105+18:3)

=25-(105+6)

=25-111

=-86

d)60-[8+(10-2):2]

=60-(8+8:2)

=60-(8+4)

=60-12

=48

Espero ter ajudado!!!