Ответ:
\(\dfrac{3+8+3+3+3}{5}=\dfrac{20}{5}=4\).
\(\dfrac{1+2+3+4+5}{5}=\dfrac{15}{5}=3\).
\(\dfrac{-2+1+5+9+12}{5}=\dfrac{25}{5}=5\).
Ответ: а) 4; б) 3; в) 5.
\(\dfrac{3+8+3+3+3}{5}=\dfrac{20}{5}=4\).
\(\dfrac{1+2+3+4+5}{5}=\dfrac{15}{5}=3\).
\(\dfrac{-2+1+5+9+12}{5}=\dfrac{25}{5}=5\).
Ответ: а) 4; б) 3; в) 5.