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XYAxix
Author:
hs2120
see see ok
GeoGebra
New Resources
異分母分數減法
拼砌四邊形
三位數除以一位數（一）
兩位數除以一位數（一）
近似值：有效數字
Discover Resources
商高定理之正三角形2
Escher 階梯
反射變換
F.3 Q5 BQ
矩阵（自动）计算（数据为0-5的随机数）
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Function Graph
Real Numbers
Coordinates
Ellipse
Linear Programming or Linear Optimization