квадратное неравенство. ОГЭ вторая часть.
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![[Женя Копытов ЕГЭ и ОГЭ по математике] Лайфхак для решения квадратных неравенств / Решаем 13 задание в ОГЭ по математике](https://sun9-56.userapi.com/impg/rlZPCH2BjS8p0vVfjRxu3HEgMpd8NK9EJ8cJgA/Ku2KdXdNaPE.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=cf93a562c49cdd963d6f73ed822678f5&c_uniq_tag=My41RHAabX2dNLpxmna1geg2D-1-v5A3RV2vUkY7Wkg&type=video_thumb)
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