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111mathA
Author:
Wu Xiao-Ren
GeoGebra
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異分母分數減法
算柱 (兩位數)
拼砌四邊形
球體建築師
錐體建築師
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外心
Chapter 1
活動所需時間計算機 (24小時報時制)
平行四邊形面積
負指數的計算
Discover Topics
Kite
Hypothesis Testing
Quadrilaterals
Ellipse
Histogram