Репетитор по обществознанию | Обществознание с Ольгой Маркул | Подготовка к ОГЭ и ЕГЭ

Sponsored impressions seen in this channel · EUR cabinet

Flags — countries where our network of observers on Telegram recorded this ad being shown in this channel. It's not the advertiser's targeting country: Telegram serves sponsored ads worldwide, and we simply note where the ad appeared in the feed. The channel's main country (by its language) is highlighted in blue; rare placements (under 5%) are collapsed into “+N”.

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  Химия в Умскул | Подготовка к ЕГЭ/ОГЭ

  Тест по химии! Проверка знаний и полезный материал в боте.

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