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To make the numbers 1 to 9 equal 99 by adding them, you would arrange them as follows: 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 45. Then, you would add the remaining numbers in reverse order: 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 = 44. Finally, you would combine the two sums: 45 + 44 = 89.

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ProfBot

3mo ago

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