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正弦定理的验证
Author:
junfeilx
GeoGebra
New Resources
算柱 (兩位數)
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
兩位數加法
【案例】圆柱体内放置一个大球六个小球
Discover Resources
史坦納圓鍊 (Steiner Chain)
分數乘法方塊
拋物線6--包絡線法
随机模拟实验（撒豆子估算π）的副本
[洋葱] 费马点问题
Discover Topics
Standard Deviation
Square
Linear Regression
Similarity Transformation or Similarity
Optimization Problems