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    <text lang="rus">
      <p>Уравнение:</p>
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  <region id="4" left="0" top="1026" width="292" height="127" color="#000000" background-color="#ffffff" font-size="10">
    <math fraction-type="none" optimize="1">
      <input>
        <e type="operand">t</e>
        <e type="operand">x</e>
        <e type="function" args="2">сист1</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">-</e>
        <e type="operand">1</e>
        <e type="operand">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="operand">0</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operator" args="2">←</e>
      </input>
    </math>
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    <math fraction-type="none" optimize="1">
      <input>
        <e type="operand">t</e>
        <e type="operand">x</e>
        <e type="function" args="2">сист2</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="operand">x</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">-</e>
        <e type="operand">1</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operator" args="2">←</e>
      </input>
    </math>
  </region>
  <region id="6" left="18" top="1170" width="135" height="44" color="#000000" background-color="#ffffff" font-size="10">
    <math fraction-type="none" optimize="1">
      <input>
        <e type="operand">Сетка</e>
        <e type="operand">0.1</e>
        <e type="operand">0.1</e>
        <e type="operand">20</e>
        <e type="operand">20</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">←</e>
      </input>
    </math>
  </region>
  <region id="7" left="180" top="1188" width="245" height="26" color="#000000" background-color="#ffffff" font-size="10">
    <math fraction-type="none" optimize="1">
      <input>
        <e type="operand">НачТочка</e>
        <e type="operand">0.2</e>
        <e type="operator" args="1">-</e>
        <e type="operand">1.1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">stack</e>
        <e type="operator" args="2">←</e>
      </input>
    </math>
  </region>
  <region id="8" left="27" top="1224" width="458" height="28" color="#000000" background-color="#ffffff" font-size="10">
    <math fraction-type="none" optimize="1">
      <input>
        <e type="operand">x</e>
        <e type="function" args="1">П</e>
        <e type="operand">НачТочка</e>
        <e type="operand">Сетка</e>
        <e type="operand">t</e>
        <e type="operand">x</e>
        <e type="function" args="2">сист1</e>
        <e type="operand">t</e>
        <e type="operand">x</e>
        <e type="function" args="2">сист2</e>
        <e type="function" args="4">СеткаРеш</e>
        <e type="operator" args="2">←</e>
      </input>
    </math>
  </region>
  <region id="9" left="18" top="1251" width="420" height="405" color="#000000" background-color="#ffffff" font-size="10">
    <plot type="3d" render="points" scale_x="8.64334749394108" scale_y="8.64334749394108" scale_z="8.64334749394108" rotate_x="-74" rotate_y="424" rotate_z="-2" transpose_x="0" transpose_y="0" transpose_z="0">
      <input>
        <e type="operand">x</e>
        <e type="function" args="1">П</e>
      </input>
    </plot>
  </region>
</regions>