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变化的三角形的垂心.许兴华数学
Author:
许兴华数学
Topic:
Orthocenter
,
Triangles
GeoGebra
New Resources
判斷球體
異分母分數減法
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
球體建築師
Discover Resources
Quiz on Trigonometric Ratios 辨認三角比：測驗
GGB5_3D:展開圖
認識函數值(隨機出題)
圖E
二次函數（第一階段） 完成後請下拉至其他階段
與三個半圓相切之圓的填滿
Discover Topics
Vectors 2D (Two-Dimensional)
Differential Calculus
Power Functions
Dilation
Fractal Geometry