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GGB研習成果01
Author:
Lee Chung-yu
GeoGebra
New Resources
第八周作业
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
四邊形的特性
sanjiaohanshu
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HELLO
[問題] 橢圓兩焦點 (6,0), (0,8)
托勒密定理推廣到任意四邊形二
cos(α) + cos(β) + cos(γ) 的對稱性
向量求和动画演示
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Percentages
Linear Regression
LCM and GCD
Derivative
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