Question

{12 - (- 5 + 9)2 - [+ 5 - (- 2 + 13)]0 - (- 5 + 3)} - 9

Answer 1

Resposta:

=-3

Explicação passo-a-passo:

={12−(4)⋅2−[+5−(11)]⋅0−(−2)}−9=  

={12−8−[+(−6)]⋅0−(−2)}−9=

={4−0−(−2)}−9=

={4−(−2)}−9=

={6}−9=

=−3