arithmetic_4

x(a / b + c) - 1

W3C sample	WIRIS
	$x a b c 1$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <apply>
    <minus/>
    <apply>
      <times/>
      <ci>x</ci>
      <apply>
        <plus/>
        <apply>
          <divide/>
          <ci>a</ci>
          <ci>b</ci>
        </apply>
        <ci>c</ci>
      </apply>
    </apply>
    <cn>1</cn>
  </apply>
</math>

Author: Design Science, Inc. (E. Cannon, E. Tabacman, R.Miner)