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正方形纸片剪出正三角形(顶点在边上)
Author:
孟宝兴
正方形纸片剪出正三角形(顶点在边上)
GeoGebra
New Resources
找出對稱軸
画直线等分三角形的面积
兩位數加法
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
ddsdsad
累積頻數多邊形
平行四邊形面積
谢庆GGB绘本一
sin(x) 的函數圖形 官長壽老師
Discover Topics
Polynomial Functions
Power Functions
Integral Calculus
Mathematics
Means