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功課
Author:
蘇梓棱
GeoGebra
New Resources
球体的体积推导（优化版）
兩組對邊相等的四邊形
四邊形的特性
算柱 (兩位數)
兩位數除以一位數（一）
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Why same areas?
二次函數及其圖像2
Drag the red dots, see the area ratio of EHFG to ABCD
探究
开关灯小游戏
Discover Topics
Sine
Terms
Fractal Geometry
Ellipse
Logarithm