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西安市第五十三中学 符成岗
Author:
符成岗
GeoGebra
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算柱 (兩位數)
Earth with coastline
三半圓間的相切圓(Codex╱2026.10.07)
近似值：有效數字
sanjiaohanshu
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複合圖形(三)
一次函数
二次函數（第三階段）
DSE Circle-ACT01A Relationship between Chords and Centre of a Circle
圆的面积展开的副本
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Inequalities
Rotation
Diagrams
Dilation
Parallelogram