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折扣 例5
Author:
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩位數加法
算柱 (兩位數)
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
異分母分數減法
Discover Resources
尤拉線
Primary School Geo
多重指令
線性規劃
Copy of sine graph 變換
Discover Topics
Orthocenter
Logarithm
Incircle or Inscribed Circle
Mathematics
Fractions