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-3/2 ≤ cosα + cosβ + cosγ ≤ 3
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
前提:α + β + γ = 0
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GeoGebra数学资源(4-8年级)
盈利與虧蝕
椭圆内切圆链
龙形曲线-分形龙
龙形曲线-分形龙2
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跑馬燈
試試看吧!
Rotation(旋轉)
錯角
多平面鏡反射成像
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Integers
Rectangle
Straight Lines
Prism
Conic Sections