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Author:
梁航宇
GeoGebra
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四邉形 (四年級) 教師版
兩位數加法
算柱 (兩位數)
【案例】2018年全国1卷理科12题
畫出對稱圖形
Discover Resources
Area of Parallelogram
waaachen
切割正十二面體(平)
外心
拋物線5--包絡線法
Discover Topics
Arithmetic Mean
Prism
Inequalities
Arithmetic
Circle