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乘法練習
Author:
周錦鋒
GeoGebra
New Resources
兩組對邊相等的四邊形
四邊形的特性
找出對稱軸
三位數除以一位數（二）
異分母分數減法
Discover Resources
繪圖練習
硬币
二次函數
Lab 2 Correction
立方体最短路经
Discover Topics
Natural Numbers
Translation
Ratios
Plane Figures or Shapes
Frequency Distribution