Răspuns:
3/9×5/9= 15/81=5/27
[tex]0,(5)=\frac{5}{9} \\\\0,(3)=\frac{3}{9} \\\\0,(5)*(0,(3)=\frac{5}{9} *\frac{3}{9} =\frac{15}{81} =\frac{5}{27} =0,(185)[/tex]
