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GeoGebra Lesson
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GeoGebra Lesson
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二元一次不等式
Author:
CIY
GeoGebra
New Resources
Nested spiral octagon
找出對稱軸
算柱 (兩位數)
近似值：有效數字
畫出對稱圖形
Discover Resources
各級曾參與義工活動的人數
Sequence指令練習(逐一套疊三角形)
最小周長
平方數平方數的副本
加法002结果(20以内)
Discover Topics
Area
Arithmetic Operations
Division
Intersection
Cuboid