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BkD_act15_03c
Author:
Luk Sir
GeoGebra
New Resources
異分母分數減法
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
兩組對邊相等的四邊形
算柱 (兩位數)
Discover Resources
三角形的心
Klein Bottle
Relations Among Trigonometric Ratios 三角比的關係
遊戲與圖像
特別角的三角函數值(1)
Copy of 劉徽的「割圓術」
Discover Topics
Boxplot
Arithmetic Mean
Real Numbers
Logarithm
Set Theory