Template:Test

Thank you for experimenting with MediaWiki. Your test worked, and it has been reverted or removed. Please use the sandbox for any other tests you may want to do. If you want to contribute, please read Project:About.

$$ R=\frac{{R}_{3}+{R}_{2}}{\left( {R}_{1}\,{R}_{2}+1\right) \,{R}_{3}+{R}_{2}} $$