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S7G1 模拟光的折射
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学用数学
GeoGebra
New Resources
拼砌四邊形
GeoGebra笔记功能体验课件
兩位數除以一位數（一）
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
Discover Resources
圆的面积 - 洋葱法
随机分支长度的二分树
Midpoint Theorem and Intercept Theorem
截平面
勾股定理III 基於歐基里德(Euclid)的證明
Discover Topics
Percentages
Calculus
Centroid or Barycenter
Pie Chart or Circle Chart
Geometric Transformations