vinnyya – Resources – GeoGebra

正十七邊形
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vinnyya
矩形與圓
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vinnyya
積分
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vinnyya
三次函數圖形
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vinnyya
拋物線與直線關係
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vinnyya
兩線段和圓3
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vinnyya
兩線段和圓的關係2
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vinnyya
兩線段和圓的關係
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vinnyya
等腰三角形外接圓上弦AB
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vinnyya
正方形所夾三角形面積相等
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vinnyya
locus of a segment
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vinnyya
三角形三邊長
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vinnyya
Origami-Trisect An Angle
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vinnyya
Problem1:(md+me+mf)/(ad+be+cf)=a
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vinnyya
黃金矩形
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vinnyya