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平行線的截線性質
Author:
Gideon Huang
拖曳直線上的點,當兩條平行線被一直線所截時, 觀察各組同位角、內錯角、同側內角的度數變化。
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算柱 (兩位數)
球体的体积推导(优化版)
異分母分數減法
畫出對稱圖形
兩組對邊相等的四邊形
Discover Resources
三垂線
ghseh 二次函數上下y值差
test04
平行四邊形的高
認識直徑
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Arithmetic Mean
Complex Numbers
Hypergeometric Distribution
Plane Figures or Shapes
Polygons