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優良作品1
Author:
Ching-Hui Chou
GeoGebra
New Resources
兩位數除以一位數（二）
四邉形 (四年級) 教師版
直角坐標平面上的旋轉變換
拼砌四邊形
異分母分數減法
Discover Resources
分數除法2: p/q ÷ b（均分）
projection02
找中點的坐標的副本
劉虹圻ㄉ所有作品都在這喔~~~~
中国节灯笼
Discover Topics
Integral Calculus
Symmetry
Linear Programming or Linear Optimization
Functions
Secant Line or Secant