1)
[tex]36 + ( - 29) = 36 - 29 = 7 \\ - 12.5 + 9.3 = - 3.2 \\ \frac{9}{10} + ( - \frac{11}{14} ) = \frac{63}{70} - \frac{55}{70} = \frac{8}{70} = \frac{4}{35} \\ ( - \frac{5}{13} )+ 2 = - \frac{5}{13} + 1 \frac{13}{13} = 1 \frac{8}{13} \\ 4.05 + ( - 7 \frac{2}{5} ) = 4.05 - 7.4 = - 3.35 \\ ( - 6 \frac{5}{6} ) + 5 \frac{3}{5} = - 6 \frac{25}{30} + 5 \frac{18}{30} = - 1 \frac{7}{30} [/tex]
2)
[tex]( - \frac{2}{3} + \frac{13}{24} ) + 0.95 = - \frac{16}{24} + \frac{13}{24} + 0.95 = \\ - \frac{3}{24} + 0.9 5 = - \frac{1}{8} + 0.95= - 0.125 + 0.9 5= \\ - 0.825[/tex]
3)
[tex]a + b + c = 5 \frac{3}{8} + 5.9 - 11.1 = \\ 5.375 - 5.2 = 0.175[/tex]
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Verified answer
1)
[tex]36 + ( - 29) = 36 - 29 = 7 \\ - 12.5 + 9.3 = - 3.2 \\ \frac{9}{10} + ( - \frac{11}{14} ) = \frac{63}{70} - \frac{55}{70} = \frac{8}{70} = \frac{4}{35} \\ ( - \frac{5}{13} )+ 2 = - \frac{5}{13} + 1 \frac{13}{13} = 1 \frac{8}{13} \\ 4.05 + ( - 7 \frac{2}{5} ) = 4.05 - 7.4 = - 3.35 \\ ( - 6 \frac{5}{6} ) + 5 \frac{3}{5} = - 6 \frac{25}{30} + 5 \frac{18}{30} = - 1 \frac{7}{30} [/tex]
2)
[tex]( - \frac{2}{3} + \frac{13}{24} ) + 0.95 = - \frac{16}{24} + \frac{13}{24} + 0.95 = \\ - \frac{3}{24} + 0.9 5 = - \frac{1}{8} + 0.95= - 0.125 + 0.9 5= \\ - 0.825[/tex]
3)
[tex]a + b + c = 5 \frac{3}{8} + 5.9 - 11.1 = \\ 5.375 - 5.2 = 0.175[/tex]