video_2024-10-03_12-17-11
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![Алкадиены: химические свойства. [12] Органика С НУЛЯ | Химия для 10 класса и ЕГЭ-2024](https://sun9-29.userapi.com/yfNQCEo1knzLbPGu-kA-yJQSUAY6OVUSm30Fyg/rmve59nC6mk.jpg)
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