Graph theory partial cleanup
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@ -201,11 +201,11 @@ Is there an Eulerian path in the following graph? \par
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Is there an Eulerian path in the following graph? \par
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\begin{center}
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\begin{tikzpicture}[
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node distance={20mm},
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thick,
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main/.style = {draw, circle}
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]
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\begin{tikzpicture}[
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node distance={20mm},
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thick,
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main/.style = {draw, circle}
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]
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\node[main] (1) {$x_1$};
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\node[main] (2) [above right of=1] {$x_2$};
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