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鈍角和銳角
Author:
Tam Ho Yin
GeoGebra
New Resources
漂亮的摇摆曲线
兩位數除以一位數（一）
画直线等分三角形的面积
直線的斜率
祖冲之的期望：内棋与外棋
Discover Resources
Sum of Exterior Angles of Polygons 多邊形外角和
梭哈的機率
四邊形四個西姆松圓交於九點心
圓內接四邊形任務二
ghk105b19 切線長度
Discover Topics
Median Value
Expected Value
Set Theory
Trigonometric Functions
Vectors 2D (Two-Dimensional)