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五邊反射
Author:
tammy93217
GeoGebra
New Resources
算柱 (兩位數)
三位數除以一位數（二）
近似值：有效數字
四邉形 (四年級) 教師版
【案例】2018年全国1卷理科12题
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Angle between line & plane
P.4對稱
三角形面積(由面積求高)
科技化數學教學應用X腳踏車自造課程in彰師大(2018)
作线段和角
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Hypergeometric Distribution
Area
Functions
Circumcircle or Circumscribed Circle
Constructions