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effect of changing data by Mr LO WY
Author:
tcchan
GeoGebra
New Resources
異分母分數減法
兩組對邊相等的四邊形
兩位數加法
画直线等分三角形的面积
三位數除以一位數（二）
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三角形外心
極限不存在（雙路徑法）
容積盒子(加蓋)
箭头平移
两角差的正切公式的证明
Discover Topics
Equations
Cosine
Rectangle
Stochastic Process or Random Process
Quadratic Functions