Question

Resolva as expressões
a)-9-2=
b)+31+14=
c)-90+16=
d)+104-100=
e)-25-60+40=
f)+84-79-81+86=
​

Answer 1

Resposta:

(B) 90

$3 = \times \frac{?}{?} \times \frac{?}{?}$