msAdisplaystyle2

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mstyle displaystyle="true">
    <mrow>
      <ms>A</ms>
      <mo>+</mo>
      <ms fontweight="bold">A</ms>
      <mo>+</mo>
      <ms fontweight="normal" fontstyle="italic">A</ms>
      <mo>+</mo>
      <ms fontstyle="normal">A</ms>
      <mo>+</mo>
      <ms fontweight="bold" fontstyle="normal">A</ms>
      <mo>+</mo>
      <ms color="#9c0fff">A</ms>
      <mo>+</mo>
      <ms color="#0ee">A</ms>
      <mo>+</mo>
      <ms color="Green">A</ms>
      <mo>+</mo>
      <ms fontfamily="Helvetica">A</ms>
    </mrow>
  </mstyle>
</math>

Author: Robert Miner and Jeff Schaefer, Geometry Technologies