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龍騰4_1-1課例2
Author:
廖傑成
GeoGebra
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畫出對稱圖形
四邊形的特性
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
兩位數加法
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HELLO
三餘弦定理問題
學資p.14第9題
椭圆中的对称斜率为定值问题20190917
戴德林球
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Arithmetic Mean
LCM and GCD
Tree Diagrams
Diagrams
Correlation