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把三角形分類
Author:
GeoGebra Institute of Hong Kong
Topic:
Isosceles Triangles
,
Right Triangles
,
Triangles
GeoGebra
New Resources
判斷球體
異分母分數減法
【案例】圆柱体内放置一个大球六个小球
兩位數除以一位數（一）
算柱 (兩位數)
Discover Resources
暗棋的步距
生活中的平面圖形關係─平行
橢圓軌跡01
拋物線2--焦點法
翰林數學_2下_CH4-1_截線與截角的意義
Discover Topics
Planes
Normal Distribution
Geometric Transformations
Trapezoid
Secant Line or Secant