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盒子的體積的副本
Forfatter
xiaodandan
,
spkwan
挑戰 3
GeoGebra
modified by spkwan, uploaded 23 October 2011
Nye Materialer
第八周作业
兩組對邊相等的四邊形
拼砌四邊形
兩位數除以一位數(二)
找出對稱軸
Opdag Ressourcer
橢圓之極偶 / polarity for ellipse
最小周長
ex 9
正方形纸片剪出正三角形(顶点在边上)
找出對稱軸
Udforsk emner
Kegle
Vinkler
Integralregning
Gennemsnit
Cirkeldiagram