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二次函數03
Author:
luke huang
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
兩位數加法
画直线等分三角形的面积
兩組對邊相等的四邊形
Discover Resources
曲線下面積
Quiz on Indices and Logarithms 指數和對數：測驗
測試
橢圓軌跡02
S6G2用随机法来估算圆周率Pi
Discover Topics
Confidence Interval
Isosceles Triangles
Upper and Lower Sum or Riemann Sum
Cosine
Intersection