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Author:
chengshihfeng
GeoGebra
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四邊形的特性
兩組對邊相等的四邊形
兩位數加法
【案例】2018年全国1卷理科12题
找出對稱軸
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正方體摺紙圖樣的旋轉及反射
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p10-4
S0S1 柱體與椎體
IF指令定義域與值域範圍的限定
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Geometric Mean
Intersection
Orthocenter
Percentages
Perimeter