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A girl wants to count the steps of a moving escalator which is going up. If she is going up on it,
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Jan 13, 2018
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A girl wants to count the steps of a moving escalator which is going up. If she is going up on it,
Mathematics
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Daniel Tranca
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Your question is well, rather unclear? Try editing it to make more sense.
Holyxiaoxin
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Jan 14, 2018
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not enough info. i guess she can count the stairs as it goes up
Daquon
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Jan 19, 2018
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