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1.4.9利用空间向量求点到直线的距离
Author:
李三军
GeoGebra
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四邉形 (四年級) 教師版
判斷球體
畫出對稱圖形
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
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三角形內角和
task 2
Possible Outcomes of Rolling Two Dices 投擲兩枚骰子的可能結果
gjh-g01-01 單項乘以兩項差
畫三角形 題1b 的複本
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Trapezoid
Geometric Mean
Confidence Interval
Dilation
Linear Regression