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ド・モルガンの法則(De Morgan's laws)
Author:
嶋津恒彦
GeoGebra
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standingwave-reflection
カージオイド
正１７角形 作図 regular 17-gon
sine-wave
standingwave-plus
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GeogebraFreeWorkSheet
放物線の通過領域
Christmas illumination
数学II 指数関数 y軸対称
円の接線3
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Frequency Distribution
Geometric Transformations
Complex Numbers
Right Triangles
Secant Line or Secant