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스파이로그래프 (2020. 10. 2.)
作者：
송정은
GeoGebra
最新資源
Random Polar Curve (1)
Tracing an Ellipse Using Two Circles
Taylor Error Bound
Untitled
Other Variations of Cosine
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Phasor diagram of synchronous machine and sinusoids
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Problem solving with HOTs
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Comparing Fractions Using Number Line مُقارنة الكسور باستخدام خط الأعداد
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等腰三角形
統計特徵
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四邊形
3D 向量（三維）