Resposta:
B) 5
Explicação passo a passo:
(-3).(1/3).(+5)=
[tex](-\frac{3}{1} )*(-\frac{1}{3} )*(\frac{5}{1} )=\\(-\frac{9}{3} )*(- \frac{1}{3})*(+ \frac{15}{3})=\\(\frac{9}{9} )*(\frac{15}{3} )=\\\frac{9}{9} =1\\1*(\frac{15}{3} )= \frac{15}{3} = 15/3=5[/tex]
