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Question
Answer-Guess-Matrix
Math
Question 1
When Alice walks up the hill, her speed is 1 m/s and when she goes down the hilll, her speed is 3 m/s. Then when Alice walks up and down the hill, what is her average speed?
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What's your guess for other people's answer (if there are multiple, use comma to seperate, e.g, 1,2,4)?
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