התחבר/י באמצעות
- או -
\[\begin{aligned} 33-21=? \end{aligned}\]
\[\begin{aligned} 23-20=? \end{aligned}\]
\[\begin{aligned} 25+41=? \end{aligned}\]
\[\begin{aligned} 72+17=? \end{aligned}\]
\[\begin{aligned} 41-20=? \end{aligned}\]