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Author:
夏雨
GeoGebra
New Resources
盈利與虧蝕
斐波那契螺旋弧线(表格法-可动态调节)
双心四边形
第八周作业2
第八周作业3
Discover Resources
Bearings
盾牌(小動畫)
尺規作圖平分一個角
菱形
百分數:折扣 / 賺賠
Discover Topics
Percentages
Linear Equations
Sphere
Rectangle
Reflection