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Mathematics, 05.07.2019 17:30 jmeza502506

At the fair, kate found a strange machine with a sign on it labeled, enter a number. when she pushed the number 15, the machine displayed 17. perplexed she tried 100, and the machine displayed 94. what is the machine doing?

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At the fair, kate found a strange machine with a sign on it labeled, enter a number. when she pushed...
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