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数矩形个数
Author:
dhc987
GeoGebra
New Resources
國旗 (Claude 版)
世界平面地圖 (Codex╱2026.10.07)
三半圓間的相切圓(Codex╱2026.10.07)
美國國旗 (Claude 版)
幾何作圖題：切三圓（題目）
Discover Resources
等腰三角形
Generalized Pythagorean Theorem
Question 4
外心
斜坡上的線與交角
Discover Topics
Histogram
Arithmetic Operations
Multiplication
Curve Sketching
Frequency Distribution