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翰林數學_2下_CH3-1_多邊形的內角和
Author:
翰林數學
GeoGebra
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算柱 (兩位數)
世界平面地圖 (Codex╱2026.10.07)
美國國旗 (Codex, 2026.10.06)
sanjiaohanshu
畫出對稱圖形
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分數除法3: a ÷ b (包含)
可變大的圓桌
Geogebra學習檔案
君子球
直角坐標平面上的旋轉變換
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Secant Line or Secant
Indefinite Integral
Incircle or Inscribed Circle
Boxplot
Quadratic Equations