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<StackPanel TextElement.FontSize="26" TextElement.FontFamily="Times New Roman" VerticalAlignment="Center" HorizontalAlignment="Center">
        <StackPanel Orientation="Horizontal">
            <TextBlock><Italic><Bold>C</Bold></Italic> = <Run> </Run></TextBlock>
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                <Polyline Points="0 0, 1 0" VerticalAlignment="Top" Stretch="Fill" Stroke="Black" StrokeThickness="1"/>
                <TextBlock><Bold>A</Bold><Run BaselineAlignment="Top" FontSize="12">2</Run> + <Bold>B</Bold><Run BaselineAlignment="Top" FontSize="12">2</Run></TextBlock>
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