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硬幣
Author:
Tse Sir
GeoGebra
New Resources
兩位數加法
找出對稱軸
三位數除以一位數（一）
小数 的副本
兩組對邊相等和有直角的四邊形
Discover Resources
複雜的解法
Bar Chart and Pie Chart(棒形圖及圓形圖)
Angles in Alternate Segment
动点
正圆柱展开图-方式二
Discover Topics
Sequences and Series
Histogram
Normal Distribution
Vectors
Conic Sections