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Why same areas?
Autor:
Terry Tam
Tema:
Área
GeoGebra
Given a parallelogram ABDC, E is a point on the line BD, and both lines AB and CE extend to meet at F. Prove that area of triangle ABE = area of triangle EDF. (Hint: Try to drag point E to point B as a diagonal BC)
Nuevos recursos
【案例】2018年全国1卷理科12题
圓周公式的應用
垂直線的斜率
球体的体积推导
三位數除以一位數(二)
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有趣
畢式定理 (13)
Angle (Extended 1)
Angle Between Two Planes Definition 平面與平面間之交角 定義
完全图及其变形
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Continuidad
Simetrías
Números Reales
Enteros
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