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Triangle on sphere
Author:
johnmayhk
GeoGebra
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四邉形 (四年級) 教師版
sanjiaohanshu
美國國旗 (Codex 版)
近似值：有效數字
Claude 解幾何題
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test123
分數加法和減法
選擇合適的「中間人」
九點圓
聖者即正義
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Numbers
Multiplication
Parallelogram
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Pyramid