Image:

Your browser's rendering:

$5+5+1+1+5+3+9$

Source Code:

    <math> 
      <mrow> 
        <mn>5</mn> 
        <mo>+</mo> 
        <mn fontweight='bold'>5</mn> 
        <mo>+</mo> 
        <mn fontstyle='italic'>1</mn> 
        <mo>+</mo> 
        <mn fontstyle='normal'>1</mn> 
        <mo>+</mo> 
        <mn fontsize='35pt'>5</mn> 
        <mo>+</mo> 
        <mn color='#9c0fff'>3</mn> 
        <mo>+</mo> 
        <mn fontfamily='Helvetica'>9</mn> 
      </mrow> 
    </math>