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The foci of an ellipse, reflected across its tangents
Author:
Kim Dong Seok
GeoGebra
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공통수학1_행렬
AI를 활용한 다항식 탐구
복소수의 곱셈
테스트 책
AI를 활용한 행렬 탐구
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SKKU-Rotation
과외
포락선160617
선분그리기 11
삼각형의 오심 작도
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Trigonometric Functions
Secant Line or Secant
Mode
Subtraction
Multiplication