Podés resolverlo de la siguiente manera:
[tex](\frac{1}{3} +\frac{1}{4}) - (\frac{3}{4} -\frac{1}{5})\\\frac{1}{3} +\frac{1}{4} - \frac{3}{4} + \frac{1}{5}\\\frac{7}{12} - \frac{11}{20}\\\frac{1}{30}[/tex]
∴ La respuesta es la C)
Respuesta:
[tex] - \frac{2}{60} [/tex]
Explicación paso a paso:
[tex] \frac{3}{4} - \frac{1}{5} = \frac{15}{20} - \frac{4}{20} = \frac{11}{20} [/tex]
[tex] \frac{1}{3} + \frac{1}{4} = \frac{4}{12 } + \frac{3}{12} = \frac{7}{12} [/tex]
[tex] \frac{11}{20} - \frac{7}{12} = \frac{33}{60} - \frac{35}{60} = - \frac{2}{60} [/tex]
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Verified answer
Podés resolverlo de la siguiente manera:
[tex](\frac{1}{3} +\frac{1}{4}) - (\frac{3}{4} -\frac{1}{5})\\\frac{1}{3} +\frac{1}{4} - \frac{3}{4} + \frac{1}{5}\\\frac{7}{12} - \frac{11}{20}\\\frac{1}{30}[/tex]
∴ La respuesta es la C)
Respuesta:
[tex] - \frac{2}{60} [/tex]
Explicación paso a paso:
[tex] \frac{3}{4} - \frac{1}{5} = \frac{15}{20} - \frac{4}{20} = \frac{11}{20} [/tex]
[tex] \frac{1}{3} + \frac{1}{4} = \frac{4}{12 } + \frac{3}{12} = \frac{7}{12} [/tex]
[tex] \frac{11}{20} - \frac{7}{12} = \frac{33}{60} - \frac{35}{60} = - \frac{2}{60} [/tex]