Explicación paso a paso:
[tex]( \: - \frac{ 1}{4} ) - ( - \frac{8}{3} ) \\ ( - \frac{1}{4} ) + ( \frac{8}{3} ) \\ - \frac{1}{4} + \frac{8}{3} \\ \frac{29}{12} = 2.41[/tex]
[tex] - 3.75 + 13.89 - 8 = 2.14[/tex]
[tex](- 7)+ (- \frac{2}{3} ) - ( - \frac{1}{4} ) \\ - 7- \frac{2}{3}+ \frac{1}{4} \\ \frac{14}{3} + \frac{1}{4} \\ \frac{ - 89}{12} = - 7.41[/tex]
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Explicación paso a paso:
d)
[tex]( \: - \frac{ 1}{4} ) - ( - \frac{8}{3} ) \\ ( - \frac{1}{4} ) + ( \frac{8}{3} ) \\ - \frac{1}{4} + \frac{8}{3} \\ \frac{29}{12} = 2.41[/tex]
e)
[tex] - 3.75 + 13.89 - 8 = 2.14[/tex]
f)
[tex](- 7)+ (- \frac{2}{3} ) - ( - \frac{1}{4} ) \\ - 7- \frac{2}{3}+ \frac{1}{4} \\ \frac{14}{3} + \frac{1}{4} \\ \frac{ - 89}{12} = - 7.41[/tex]