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五根或七根
Author:
学用数学
GeoGebra
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Earth with coastline
Claude 解幾何題
湖南省张毅郴数字教研工作室 logo
幾何作圖題：切三圓（題目）
三半圓間的相切圓(Codex╱2026.10.07)
Discover Resources
四心的變化II
isosceles triangle construction
shihfeng的第一本Geogebra繪本
平移
Regular Tetrahedron
Discover Topics
LCM and GCD
Area
Right Triangles
Median Value
Linear Programming or Linear Optimization