Image:
Your browser's rendering:
Source Code:
<math xmlns:dsi="http://www.dessci.com/mathml"> <maction actiontype="highlight" dsi:background="#dddd66" dsi:color="#bb2244"> <mfrac> <mn>x</mn> <mi>2</mi> </mfrac> </maction> <mo>+</mo> <mn>2</mn> </math>