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GeoGebra Lesson
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echen say
Author:
dunst kang
Topic:
Mathematics
GeoGebra
New Resources
Nested spiral octagon
算柱 (兩位數)
三半圓間的相切圓(Codex╱2026.10.07)
近似值：有效數字
幾何作圖題：切三圓（題目）
Discover Resources
會動的旋轉圖案+軌跡
正八面體
莫比烏斯帶02
異分母分數加法
GeoGebra 動畫開關按鈕製作的副本
Discover Topics
Arithmetic Operations
Polynomial Functions
Centroid or Barycenter
Geometric Mean
Equations