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勾股定理
Author:
熊珍群
GeoGebra
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GeoGebra笔记功能体验课件
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
【案例】圆柱体内放置一个大球六个小球
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內切圓半徑證明
黎曼和
加法
[問題] 行列式 = 0 的機率
S0E02 勾股定理
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Sine
Curve Sketching
Line Segment
Pyramid
Ratios