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選擇合適的「單位」
Author:
LAI KA MING
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
拼砌四邊形
畫出對稱圖形
兩位數加法
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
Discover Resources
過圓內c點的弦中點軌跡
兩條數線比較
周界-平移法(練習三)
BkD_act15_03c
電風扇
Discover Topics
Sequences and Series
Inequalities
Secant Line or Secant
Confidence Interval
Linear Programming or Linear Optimization