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| title |
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| Math Test |
default |
{% katex display %}
\pm\sqrt{a^2 + b^2}
{% endkatex %}
{% katex display %}
a^2 + b^2 = c^2
{% endkatex %}
{% katex display %}
\textcolor{blue} x = \frac{\textcolor{#47a}{-b\pm\sqrt{b^2-4ac}}}{2a}
{% endkatex %}
