Last modified on 18 May 2007, at 16:39

Puzzles/Arithmetical puzzles/Two 4s Equal 64?/Solution

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Some answers are \sqrt{\sqrt{\sqrt{4^{4!}}}}, \sqrt{\sqrt{{\sqrt{4}^{4!}}}}, 4^{\log{\sqrt{\sqrt{\sqrt{\exp{4!}}}}}} and 4^{-\lfloor\tan{4!}\rfloor}.