✓ Три способа решить задачу с параметром | ЕГЭ-2017. Задание 18. Математика. Профиль | Борис Трушин
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Editorial review · 85% confidenceWhole-channel inclusion: Борис Трушин is an honest teaching channel (title sample + 3 transcripts read: The transcripts show structured, step-by-step worked math problem solutions typical of exam prep tutoring, consistent with genuine teaching content.); this title passed a strict title check (sonnet) after a labelling pass.
A 32-minute video from Борис Трушин: “✓ Три способа решить задачу с параметром | ЕГЭ-2017. Задание 18. Математика. Профиль | Борис Трушин”.
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