Question

Resolva as expressões abaixo:
a) |-2| + |-17|=
b) |-72| : |+8| =
c) |-17| . |+7| =
d) |-4| + |+3| =
e) |(-30) + 16|=
f) |-23|

Answer 1

a) |-2| + |-17|=

- 2 - 17 = -19

b) |-72| : |+8| =

- 72 / 8 = -9  

c) |-17| . |+7| =

- 17 . 7 = -119

d) |-4| + |+3| =

- 4 + 3 = -1

e) |(-30) + 16|=

- 30 + 16 = -14

f) |-23| incompleta