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Author:
吳秉沂
GeoGebra
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兩位數除以一位數(二)
三位數除以一位數(二)
画直线等分三角形的面积
異分母分數減法
兩位數加法
Discover Resources
Comparing fractions using number lines and rectangles
Copy of 固定周界的長方形的面積變化
Copy of 十行表
拋物線2-焦點法
椭圆中的对称斜率为定值问题20190917
Discover Topics
Confidence Interval
Constructions
Exponent
Ellipse
Straight Lines