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The answer is 500500. You just take 1000 and remove one of the zeros so it's 100. Make the 1 into a 5, and add another 500 so it makes 500500.

You can do the same for 1 plus 2 plus 3 plus 4 to 100, (which is 5050) and any other power of ten greater than 0 (like 10000, 100000, 1000000, etc.).

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14y ago

What else can I help you with?