\begin{displaymath}
\begin{array}{l|c|c|c|}
 & {p \le \frac 7 {10}} & {\frac 7 {10} \le p \le 2} & {2 \le p} \\
\hline
brojilac & - & + & + \\
\hline
imenilac & + & + & - \\
\hline
količnik & - & + & - \\
\end{array}
\end{displaymath}