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定积分的概念（移动端）的副本
Author:
ndfei
,
梁航宇
GeoGebra
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Fibonacci Clock
世界平面地圖 (Codex╱2026.10.07)
Claude 解幾何題
湖南省张毅郴数字教研工作室 logo
三半圓間的相切圓(Codex╱2026.10.07)
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優良作品3(薇如)
二次函數及其圖像2
sweet sugar
Midpoint Theorem and Intercept Theorem
Fractal
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Parabola
Geometric Transformations
Ellipse
Variance
Bar Chart or Bar Graph