$\displaystyle -2{,}3- \frac{1}{3}$\displaystyle -2{,}3- \frac{1}{3}

$\displaystyle 2{,}3- \frac{1}{3}$\displaystyle 2{,}3- \frac{1}{3}

$\displaystyle \frac{1}{3}-2{,}3$\displaystyle \frac{1}{3}-2{,}3

$\displaystyle \frac{1}{3}+2{,}3$\displaystyle \frac{1}{3}+2{,}3