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חיבור מספרים מכוונים בעזרת חיצים
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מרכז ארצי למורים למתמטיקה בחינוך העל יסודי
GeoGebra
1.) -5 + 4 = ? 2.) -2 + 8 = ? 3.) -4 + 4 = ?
New Resources
Sum of Squares: Proof without Words
רישום חופשי
apec
Parallelogram Anatomy
Regular Polygons and Equivalent Triangles
Discover Resources
Perspective Diagonals
Secant Line Approaching Tangent Line
MoringHubart-Pentagon
Теорема Піфагора
AppletDiffEQ
Discover Topics
Conditional Probability
Geometric Mean
Parametric Curves
Median Line
Arithmetic Operations