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圆心可变的扇形在x轴上滚动
Author:
赵林
GeoGebra
New Resources
四邊形的特性
Fibonacci Clock
直角坐標平面上的旋轉變換
中華民國國旗 (Codex╱2026.10.06)
三半圓間的相切圓(Codex╱2026.10.07)
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蕭宇珏的繪本
椭圆的定义的副本
梯形面積 Area of Trapezium
颱風暴風圈
模拟时钟
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Subtraction
Translation
Arithmetic
Scalene Triangles
Secant Line or Secant