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拼桌问题
Author:
雷风恒
GeoGebra
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双心四边形
平行線的判定
第八周作业1
科赫雪花
常见四边形是否是双心四边形
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基測試題滾動
cvcvxcvxcvxcv
構造切線 / construct the tangent line
Prism and Cylinder 4
中点轨迹
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Power Functions
Statistics
Pyramid
Sphere
Surface