mathBeats: Perfect Square (The Half-Square Rule)

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mathBeats: The Quadrilateral Family Tree (From DNA to the Perfect Square)

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mathBeats: Pythagorean Theorem (The Soaring Spell)

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Leaking Reservoir – Mind Cracks

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mathBeats: Central and Inscribed Angles

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The Recycled Memory Box

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soulTides: 내 영혼의 비밀 창고

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