Количественный анализ, работа с пипетками
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![Полша вече е с 3-тата по численост армия в НАТО! [Боян Чуков]](https://sun9-59.userapi.com/9Oc05uVda6fqK4-hE4y97YzPA56X0x9ijN_6mg/jItBkULMrHw.jpg)
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