The ratio of spirit and water in an 80 l mixture A is 7: 9.If 20 litres of Mixture A

Описание к видео The ratio of spirit and water in an 80 l mixture A is 7: 9.If 20 litres of Mixture A

The ratio of spirit and water in an 80 l mixture A is 7: 9.If 20 litres of Mixture A

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