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斜坐標
Author:
陳柄何
GeoGebra
New Resources
双心四边形
椭圆内切圆链
活动三:应用性质
常见四边形是否是双心四边形
第八周作业2
Discover Resources
分數的大小變化
example1_moon
內公切線長
P.4 對稱
全等—正方形的旋转
Discover Topics
Distributions
Difference and Slope
Solids or 3D Shapes
Subtraction
Integers