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三角形的三中線交於一點(重心)
Author:
大園數學
移動三角形的三頂點,觀察三中線交於一點,此點即為重心。
GeoGebra
大園數學
New Resources
圓周公式的應用
直線的斜率
兩位數加法
漂亮的摇摆曲线
GeoGebra笔记功能体验课件
Discover Resources
refraction law
五邊形與三角形等積
Sequence指令練習(一維)
Remainder Theorem and Factor Theorem(餘式定理及因式定理)
爱心曲线
Discover Topics
Bar Chart or Bar Graph
Rhombus
Addition
Parallelogram
Calculus