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【随机出题】数立方体个数
Forfatter
孟宝兴
【随机出题】数立方体个数
GeoGebra
Nye Materialer
球体的体积推导（优化版）
拼砌四邊形
找出對稱軸
球體建築師
球体的体积推导
Opdag Ressourcer
Surface area of sphere
七巧板(底板)_李樂雯
平行線的截線性質
圓在直線上滾動
S3 Ex4.3 Q03(3D圖)
Udforsk emner
Trapez
Rombe
Kugle
Differentialligninger
Retvinklede trekanter