$\displaystyle - \frac{3}{25}$\displaystyle - \frac{3}{25}

$\displaystyle \frac{3}{25}$\displaystyle \frac{3}{25}

$\displaystyle - \frac{7}{25}$\displaystyle - \frac{7}{25}

$\displaystyle \frac{7}{25}$\displaystyle \frac{7}{25}