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3 years ago

15

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 d

isplayed 17. Perplexed she tried 100, and the machine displayed 94. What is the machine doing?

1 answer:

Ivan3 years ago

6 0

apparently subtracting 6

15-6=9

23-6=17

100-6=94

77-6=71

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