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Mathematics, 16.12.2020 14:00 sweetgirl22899

the boat in calm water is 30 km / h. How far can tourists travel by boat if they have to return after 2 hours to the place from which they left? 2 A group of tourists want to take a speedboat ride on a river that runs fast

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the boat in calm water is 30 km / h. How far can tourists travel by boat if they have to return afte...
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