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Equality of Ratios
Author:
Lam Yat Chun
GeoGebra
New Resources
拼砌四邊形
算柱 (兩位數)
兩組對邊相等的四邊形
國旗 (Claude 版)
四邉形 (四年級) 教師版
Discover Resources
七巧板（tangram）
移動滑桿k 控制k1 k2 k3數值變化
改變橢圓的形狀
除法
二分法优化版（视频教程见https://www.bilibili.com/video/BV1ST4y1F78g）
Discover Topics
Equations
Binomial Distribution
Ratios
Variance
Poisson Distribution