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អេលីប(គន្លឹះ៥)/How to find standard equation of ellipse and build ellipse
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ប៉ារ៉ាបូល(គន្លឹះ១)How to find vectice Foci and build Parabola
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អនុគមន៍ពិសេសត្រៀមប្រឡងបាក់ឌុប
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#គន្លឹះសង់ប៉ារ៉ាបូល
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រឿង កំពូលម៉ែដោះវយ័ក្មេង [ភាគ០១ ពេញ]
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អេលីបក្បាច់ទី2
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