playground:playground
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PlayGround
play here ….
$$ \frac{d}{dx}\left( \int_{0}^{x} f(u)\,du\right)=f(x) $$
A table
| Heading 1 | Heading 2 | |
|---|---|---|
| Heading 3 | Row 1 Col 2 | Row 1 Col 3 |
| Heading 4 | no colspan this time | |
| Heading 5 | Row 2 Col 2 | Row 2 Col 3 |
playground/playground.1381473114.txt.gz · Last modified: by lovy