התחבר/י באמצעות
- או -
פתרו את התרגיל
\[\begin{aligned} 1,000-?=810 \end{aligned}\]
\[\begin{aligned} ?-1,100=181 \end{aligned}\]
\[\begin{aligned} 1,000-?=214 \end{aligned}\]
\[\begin{aligned} ?-1,400=283 \end{aligned}\]
\[\begin{aligned} 1,000-?=632 \end{aligned}\]