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包含除法（1 ÷分數）的副本
Author:
xiaodandan
,
GeoGebra Institute of Hong Kong
Topic:
Fractions
GeoGebra
New Resources
美國國旗 (Codex 版)
世界平面地圖 (Codex╱2026.10.07)
幾何作圖題：切三圓（題目）
Earth with coastline
三半圓間的相切圓(Codex╱2026.10.07)
Discover Resources
圓的基本慨念
Task 7: Visualize the Theorem of Thales
regular tetrahedron (CH4)
數字的加減數線表示
固定三角形的條件−題1的副本
Discover Topics
Hypothesis Testing
Diagrams
Division
Symmetry
Geometric Transformations