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เรขาคณิตวิเคราะห์ วงรี

저자:Chadayu, Tim Brzezinski, Maths Made Easy Suresh

Conic Sections: Circle, Ellipse, Parabola, & Hyperbola Applets Grade 11 NCERT CBSE Conic section

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กิจกรรมที่2

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