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GeoGebra
GeoGebra Klaslokaal
GeoGebra
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Didactisch materiaal
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D 是垂足的條件不可少
Auteur:
hjyanghj
三角形
ABC中,
C為直角,
是邊
上的高,E、F分別是
ADC、
BDC的內心,E、F連線分別交
、
於G、H。 試證:
。 實驗:用下面的實驗來了解題目的性質,研判D可不可以放鬆條件為AB邊上的任一點,思考可能的證明方略。
GeoGebra
Nieuw didactisch materiaal
Which Quadrilateral is Which?
Discriminant of y = ax² + bx + c
Steel Chair
seo tool
Transforming Random Variables
Ontdek materiaal
Perpendicular Line Construction (i)
Angle Sum of Triangle
Cylinder Volume & Surface Area Scored Practice
Copia de Máquina de Galton virtual
un mess Rhombus
Ontdek onderwerpen
Bepaalde integraal
Staafdiagram
Correlatie
Verhoudingen
Toetsen van hypothesen