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Author:
Cathyyu920311
GeoGebra
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椭圆内切圆链
第三周作业效果演示
盈利與虧蝕
百分數及其應用
斐波那契螺旋弧线(表格法-可动态调节)
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圓內接四邊形 ABCD ...,求 sinθ=?
正三角形內部一點
軌跡為橢圓或雙曲線
求滿足不等式的最大/最小整數
-3/2 ≤ cosα + cosβ + cosγ ≤ 3
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Symmetry
Fractions
Root
Coordinates
Addition