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GeoGebra
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GeoGebra
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Author:
dhc987
GeoGebra
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算柱 (兩位數)
四邊形的特性
兩組對邊相等和有直角的四邊形
近似值：有效數字
拼砌四邊形
Discover Resources
Tusi Couple
地球－分區著色
National_Flag
百分數：折扣 / 賺賠
時距計算機 (時針改變)
Discover Topics
Bar Chart or Bar Graph
Step Functions
Geometry
Vectors 2D (Two-Dimensional)
Intersection