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开关灯小游戏
Author:
孟宝兴
GeoGebra
New Resources
四邊形的特性
三位數除以一位數（一）
直角坐標平面上的旋轉變換
兩位數加法
第八周作业
Discover Resources
一次函數
angle at centre vs angle at circumference
橢圓軌跡02
直線與平面關係
活动三：应用性质
Discover Topics
Hypergeometric Distribution
Vectors 3D (Three-Dimensional)
Division
Fractions
Random Variables