134. Задачка по химии №013 393
46. How can one explain that a piece of chalk on a wet cloth quickly absorbs moisture and dry cloth on a wet piece of chalk not damp?
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
Оплата и выдача товара осуществляются через партнёрскую платформу.