Question

medica aritmetica a trei numere este 3,(6). calculati suma lor.

Answer 1

$\sf m_a= \frac{a+b+c}{3}=3,(6) \longrightarrow a+b+c=3*3,(6)=\boxed{\sf 10,(9)}$

Answer 2

(a+b+c):3=3,(6)⇔33/9 simplificat cu 3⇒11/3
a+b+c=11/3x3⇒a+b+c=33/3⇒11(suma celor 3 nr)