<html> <head> <meta charset="UTF-8"> <script src="https://www.google.com/jsapi"></script> <script src="jquery.js"></script> <script src="sample.js"></script> </head> <body onload="sample()"> <math xmlns='http://www.w3.org/1998/Math/MathML' display='block'> <mn>3</mn> <mi>x</mi> <mo>-</mo> <mn>2</mn> <mi>y</mi> </math> </body> </html>
