Question

como resolver (-3-2-9):(+7).(+2-8).(+1)

Answer 1

oi,

(-3-2-9):(+7)×(+2-8)×(+1)=
(-5-9):(+7)×(+2-8)×(+1)=
-14:+7×-6×+1=
-2×-6×+1=
12×+1=
-12

espero ter ajudada (o)