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Copy of 面積：從梯形到三角形 02
Author:
Ms Hui
,
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Topic:
Area
GeoGebra
New Resources
兩位數除以一位數（一）
拼砌四邊形
四邉形 (四年級) 教師版
【案例】2018年全国1卷理科12题
柱體建築師
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Demo
B4 4-1 平行線性質延伸 等積變換
合 24（淺中深）
Illusion-外凸的正方形
交錯級數(Roger B. Nelsen)
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Tangent Line or Tangent
Terms
Differential Calculus
Pyramid
Ratios