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Chemistry, 15.01.2021 20:00 johnsnow69

A diver traveled 20 kilometers in 30 minutes. What is the average speed of this driver in km/h


A diver traveled 20 kilometers in 30 minutes.What is the average speed of this driver in km/h

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A diver traveled 20 kilometers in 30 minutes. What is the average speed of this driver in km/h
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