התחבר/י באמצעות
- או -
\[\begin{aligned} 300-100=? \end{aligned}\]
\[\begin{aligned} 100+300=? \end{aligned}\]
\[\begin{aligned} 500+300=? \end{aligned}\]
\[\begin{aligned} 700-700=? \end{aligned}\]
\[\begin{aligned} 300+300=? \end{aligned}\]