Use 3, 4, and 5 once with any combo of +, -, x, and division, resulting in the number 16.
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4^(5-3) = 4^2 = 16

I know you didn't say we could use ^ (exponent symbol), but when you write these on paper you write them in a way that doesn't use the ^ symbol.
by Level 13 User (103k points)

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