$$e[(e+\pi)(e+e+\pi)]^e+\frac e {(\pi^e-e)(e+e^\pi-\pi^e)}\approx114514.1919810$$
[来源Twitter]
[来源Twitter]: https://twitter.com/hagebooi/status/713007177393262593 “来源Twitter”
$$1+1\sqrt{4+5\sqrt{1+4\sqrt{1+9\sqrt{1+9\sqrt{8+1\sqrt0}}}}} \approx e+e^\pi+e^{-\pi}+\pi-\pi^e-\pi^{-e}$$