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happy new year2
Author:
李春培
happy new year2
GeoGebra
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Earth with coastline
三半圓間的相切圓(Codex╱2026.10.07)
畫出對稱圖形
找出對稱軸
幾何作圖題：切三圓（題目）
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echen say
MTH5151trytry
橢圓
翰林數學_2下_CH3-1_點線角
正N边形在圆内的滚动
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Multiplication
Rhombus
Scatter Plot
Terms
Circle