[tex]20 + ( - 16.3) + 4 \frac{1}{3} + ( - 18 \frac{2}{3} ) = \\ = 20 - 16.3 + \frac{13}{3} - 18 \frac{2}{3} = \\ = 20 - \frac{163}{10} + \frac{13}{3} - \frac{56}{3} = \\ = - \frac{319}{30} = - 10 \frac{19}{30} [/tex]
[tex] - 0.6 + 2 \frac{3}{8} + ( - 7 \frac{5}{8} ) + ( - \frac{1}{2} ) + 0 = \\ = - 0.6 + 2.375 + ( - 7.625) + ( - 0.5) + 0 = \\ = 1.775 - 8.125 = - 6.35[/tex]
