Question

O valor de 3^-1 + 5^-1/ 2^-1

Answer 1

3-1+5-1/2-1
O mmc e 2
6-2+10-1-2
4+10-3
14-3
11

A resposta e 11

Answer 2

$3 ^{-1}+5 ^{-1}/2 ^{-1}=(-3)+(-5)/(-2)=-8/-2=4$