<math xmlns="http://www.w3.org/1998/Math/MathML" id="p2.m1" class="ltx_Math" alttext="1+2=3" display="inline">
  <semantics>
    <mrow id="p2.m1.7" xref="p2.m1.7.cmml">
      <mrow id="p2.m1.4" xref="p2.m1.4.cmml">
        <mn id="p2.m1.1" xref="p2.m1.1.cmml">1</mn>
        <mo id="p2.m1.2" xref="p2.m1.2.cmml">+</mo>
        <mn id="p2.m1.3" xref="p2.m1.3.cmml">2</mn>
      </mrow>
      <mo id="p2.m1.5" xref="p2.m1.5.cmml">=</mo>
      <mn id="p2.m1.6" xref="p2.m1.6.cmml">3</mn>
    </mrow>
    <annotation-xml encoding="MathML-Content">
      <apply id="p2.m1.7.cmml" xref="p2.m1.7">
        <eq id="p2.m1.5.cmml" xref="p2.m1.5"/>
        <apply id="p2.m1.4.cmml" xref="p2.m1.4">
          <plus id="p2.m1.2.cmml" xref="p2.m1.2"/>
          <cn type="integer" id="p2.m1.1.cmml" xref="p2.m1.1">1</cn>
          <cn type="integer" id="p2.m1.3.cmml" xref="p2.m1.3">2</cn>
        </apply>
        <cn type="integer" id="p2.m1.6.cmml" xref="p2.m1.6">3</cn>
      </apply>
    </annotation-xml>
    <annotation-xml encoding="application/openmath+xml">
      <OMOBJ xmlns="http://www.openmath.org/OpenMath">
        <OMA>
          <OMS cd="latexml" name="equals"/>
          <OMA>
            <OMS cd="latexml" name="plus"/>
            <OMI>1</OMI>
            <OMI>2</OMI>
          </OMA>
          <OMI>3</OMI>
        </OMA>
      </OMOBJ>
    </annotation-xml>
    <annotation-xml encoding="application/x-latexml">
      <XMath xmlns="http://dlmf.nist.gov/LaTeXML">
        <XMApp id="p2.m1.7.xm" fragid="p2.m1.7.xm">
          <XMTok meaning="equals" role="RELOP" id="p2.m1.5.xm" fragid="p2.m1.5.xm">=</XMTok>
          <XMApp id="p2.m1.4.xm" fragid="p2.m1.4.xm">
            <XMTok meaning="plus" role="ADDOP" id="p2.m1.2.xm" fragid="p2.m1.2.xm">+</XMTok>
            <XMTok meaning="1" role="NUMBER" id="p2.m1.1.xm" fragid="p2.m1.1.xm">1</XMTok>
            <XMTok meaning="2" role="NUMBER" id="p2.m1.3.xm" fragid="p2.m1.3.xm">2</XMTok>
          </XMApp>
          <XMTok meaning="3" role="NUMBER" id="p2.m1.6.xm" fragid="p2.m1.6.xm">3</XMTok>
        </XMApp>
      </XMath>
    </annotation-xml>
    <annotation encoding="application/x-tex">1+2=3</annotation>
  </semantics>
</math>