Putting It Together
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Suppose you have a list of numbers from one to one hundred. How quickly can you add them all up without using a calculator?
HINT: There is a swift way to add these numbers. Think about how the numbers at the opposite ends of the list relate to each other.
(Solution)
Puzzle copied, with permission, from Michael DiSpezio's book called Critical Thinking Puzzles.
More information is available about this book.
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