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99 + (9/9) = 100
To make 10 using five nines, you can use the following mathematical expression: (9/9) + (9/9) + (9/9) + (9/9) + (9/9) = 10. This equation involves dividing each nine by itself (which equals 1) and then adding these results together to reach a total of 10.
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Five hundred thirty-nine.
99 + (99 / 99) = 100