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          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="operand">A</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="operand">B</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="symbolic">
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">1</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="operand">2</e>
          <e type="operand">3</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">1</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="operator" args="2">+</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="operand">2</e>
          <e type="operand">3</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="operator" args="2">+</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
    <region left="432" top="1395" width="168" height="45" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">C</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="function" args="1">Simple</e>
        </input>
        <result action="symbolic">
          <e type="operand">3</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="operand">5</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
    <region left="18" top="1512" width="302" height="109" color="#000000" bgColor="#ff8080" fontSize="10">
      <math decimalPlaces="3" significantDigitsMode="true">
        <input>
          <e type="operand">C</e>
          <e type="operand">j</e>
          <e type="function" args="2">el</e>
          <e type="operand">A</e>
          <e type="operand">j</e>
          <e type="function" args="2">el</e>
          <e type="operand">B</e>
          <e type="operand">j</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="symbolic">
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operand">2</e>
          <e type="operand">3</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">+</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">2</e>
          <e type="function" args="2">el</e>
          <e type="operand">2</e>
          <e type="operand">3</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">2</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">+</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
    <region left="432" top="1530" width="168" height="45" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">C</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="function" args="1">Simple</e>
        </input>
        <result action="symbolic">
          <e type="operand">3</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="operand">5</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
    <region left="0" top="1638" width="73" height="45" color="#000000" fontSize="10">
      <math decimalPlaces="3" significantDigitsMode="true">
        <input>
          <e type="operand">A</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="90" top="1638" width="73" height="45" color="#000000" fontSize="10">
      <math decimalPlaces="3" significantDigitsMode="true">
        <input>
          <e type="operand">B</e>
          <e type="operand">2</e>
          <e type="operand">3</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="180" top="1638" width="98" height="45" color="#000000" fontSize="10">
      <math decimalPlaces="3" significantDigitsMode="true">
        <input>
          <e type="operand">A</e>
          <e type="operand">B</e>
          <e type="operator" args="2">+</e>
        </input>
        <result action="symbolic">
          <e type="operand">3</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operand">5</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
    <region left="0" top="1692" width="145" height="69" color="#000000" fontSize="10">
      <math decimalPlaces="3" significantDigitsMode="true">
        <input>
          <e type="operand">A</e>
          <e type="operand">j</e>
          <e type="function" args="2">el</e>
          <e type="operand">B</e>
          <e type="operand">j</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">+</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" args="4">sum</e>
        </input>
        <result action="symbolic">
          <e type="operand">8</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
        </result>
      </math>
    </region>
    <region left="0" top="1782" width="98" height="45" color="#000000" fontSize="10">
      <math decimalPlaces="3" significantDigitsMode="true">
        <input>
          <e type="operand">A</e>
          <e type="operand">B</e>
          <e type="operator" args="2">+</e>
          <e type="function" args="1">vectorize</e>
        </input>
        <result action="symbolic">
          <e type="operand">3</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operand">5</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
    <region left="0" top="1836" width="84" height="26" color="#000000" fontSize="10">
      <math decimalPlaces="3" significantDigitsMode="true">
        <input>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" args="2">range</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="0" top="1863" width="213" height="45" color="#000000" fontSize="10">
      <math decimalPlaces="3" significantDigitsMode="true">
        <input>
          <e type="operand">C</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="operand">A</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="operand">B</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="function" args="3">el</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="symbolic">
          <e type="operand">3</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operand">5</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
    <region left="252" top="1863" width="177" height="45" color="#000000" fontSize="10">
      <math decimalPlaces="3" significantDigitsMode="true">
        <input>
          <e type="operand">C</e>
          <e type="operand">j</e>
          <e type="function" args="2">el</e>
          <e type="operand">A</e>
          <e type="operand">j</e>
          <e type="function" args="2">el</e>
          <e type="operand">B</e>
          <e type="operand">j</e>
          <e type="function" args="2">el</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="symbolic">
          <e type="operand">3</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operand">5</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
  </regions>
</worksheet>