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翰林數學_2下_CH3-1_三角形的外角定理
Author:
翰林數學
GeoGebra
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找出對稱軸
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
四邉形 (四年級) 教師版
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龍騰4_1-1課進9
偏導數
鏡面反射光線
GGB作業
橢圓2-四圓心近似法
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Random Experiments
Complex Numbers
Scalene Triangles
Power Functions
Median Line