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62326 劉虹圻
Author:
呂麗珠
GeoGebra
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画直线等分三角形的面积
兩位數加法
兩組對邊相等和有直角的四邊形
球體建築師
兩位數除以一位數（一）
Discover Resources
證平行四邊形 (對邊相等)
congruent (SSS) 2
GGB2
橢圓1--同心圓法
四邉形 (四年級) 教師版
Discover Topics
Sine
Angles
Boxplot
Arithmetic Operations
Stochastic Process or Random Process