# Hello world!

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## 3 thoughts on “Hello world!”

1. Hi, this is a comment.
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2. tlee.bti@gmail.com says:

Test Math Equation:

$ax^2 + bx + c = 0, x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

1. tlee.bti@gmail.com says:

Another equation:

$x = a_0 + \frac{1}{\displaystyle a_1 + \frac{1}{\displaystyle a_2 + \frac{1}{\displaystyle a_3 + a_4}}}, (x+a)^n=\sum^n_{k=0} \binom{n}{k} x^ka^{n-k}$