1.
[tex] - 14 - 6 + ( - 18) = - 20 - 18 = - 38[/tex]
2.
[tex] - 5 - ( - 13) + ( - 11) = - 5 + 13 - 11 = 8 - 11 = - 3[/tex]
3.
[tex] - 4 \frac{3}{8} + ( - 5 \frac{3}{5}) - 2 \frac{1}{3} = - \frac{35}{8} - \frac{28}{5} - \frac{7}{3} = - \frac{525}{120} - \frac{672}{120} - \frac{280}{120} = - \frac{1477}{120} = - 12 \frac{7}{120} [/tex]
4.
[tex] - 4.23 - ( - 6.2) = - 4.23 + 6.2 = 1.97[/tex]
5.
[tex] - 8 \frac{1}{3} - 1.1 = - \frac{25}{3} - 1 \frac{1}{10} = - \frac{25}{3} - \frac{11}{10} = - \frac{250}{30} - \frac{33}{30} = - \frac{283}{30} = - 9 \frac{13}{30} [/tex]
6.
[tex] - 6 \frac{2}{3} - 5.75 = - 6 \frac{2}{3} - 5 \frac{3}{4} = - 6 \frac{8}{12} - 5 \frac{9}{12} = - 11 \frac{17}{12} = - 12 \frac{5}{12} [/tex]
7.
[tex] - 4.1 - \frac{27}{20} - 4.25 = - 4.1 - \frac{135}{100} - 4.25 = - 4.1 - 1.35 - 4.25 = - 5.45 - 4.25 = - 9.7[/tex]
8.
[tex] - \frac{1}{5} - 0.5 + ( - \frac{1}{2} ) = - \frac{2}{10} - 0.5 - 0.5 = - 0.2 - 0.5 - 0.5 = - 1.2[/tex]
9.
[tex] - 3.8 + ( - 8 \frac{2}{5} ) - ( - 6.5) = - 3.8 - 8 \frac{4}{10} + 6.5 = - 3.8 - 8.4 + 6.5 = - 12.2 + 6.5 = - 5.7[/tex]
10.
[tex] - 7 \frac{5}{6} - ( - \frac{10}{6} ) - 14.2 = - \frac{47}{6} + \frac{10}{6} - 14 \frac{2}{10} = - \frac{37}{6} - 14 \frac{1}{5} = - \frac{37}{6} - \frac{71}{5} = - \frac{185}{30} - \frac{426}{30} = - \frac{611}{30} = - 20 \frac{11}{30} [/tex]
