Beth Walcott
1. Numbers other than zero that aren't anything. How can it be?
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2. You've seen it before. It's possible the answer is not as mathematical as it seems.
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3. Let's try it like this: you're looking for numbers that aren't ANYTHING.
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4. Did you try mentally typing ANYTHING? What number keys did you use?
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5. And which ones didn't you use?
(SOLUTION FOLLOWS)
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6. Type the key numbers (in numeric order and omitting 0) that wouldn't be used to type the word ANYTHING: 1357.