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חיבור מספרים מכוונים בעזרת חיצים
Author:
מרכז ארצי למורים למתמטיקה בחינוך העל יסודי
GeoGebra
1.) -5 + 4 = ? 2.) -2 + 8 = ? 3.) -4 + 4 = ?
New Resources
巧算長方形周界
Parallel Lines and Angles: Thinking Classroom Exploration
Circumference of a unit circle
Perimeter of a Rectangle with Unknown Sides
רישום חופשי
Discover Resources
Circle Geometry and Theorems
start, create right isosceles triangle
Friesen
Hasenpflug 9 point circle
Parallel Chords in a Circle
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Equilateral Triangles
General Quadrilateral
Sequences and Series
Area
Similar Triangles