התחבר/י באמצעות
- או -
\[\begin{aligned} 40\times100=? \end{aligned}\]
\[\begin{aligned} 5,400\div10=? \end{aligned}\]
\[\begin{aligned} 2,000\div10=? \end{aligned}\]
\[\begin{aligned} 21\times10=? \end{aligned}\]