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練習
Author:
夏天
練習
GeoGebra
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四邉形 (四年級) 教師版
算柱 (兩位數)
畫出對稱圖形
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
三角形的外角和
gjzbh 矩陣與遞迴關係：圓形圖
比較數量-1
Copy of 三角形的面積
分数减法 Fraction Subtraction
Discover Topics
LCM and GCD
Normal Distribution
Frequency Distribution
Optimization Problems
Intersection