Question

alguien me ayuda porfavor ​

Answer 1

Respuesta:

jajajjaja que acil ja ja ja

Answer 2

Respuesta:

$1)-\frac{11}{24}\\\\2)\ \frac{37}{8}$

Explicación paso a paso:

$1)\ \frac{5}{15}(\frac{1}{5} + \frac{3}{8} + \frac{1}{20}) - \frac{2}{3}\\\\\ \ = \frac{5}{15} (\frac{8+15+2}{40})- \frac{2}{3}\ se\ hallo\ el\ m.c.m\ de\ 5,8\ y\ 20\ que\ 40\\\\= \frac{5}{15} (\frac{25}{40})- \frac{2}{3}= (\frac{125}{600})- \frac{2}{3}\ entonces \ se\ simplifica\ la\ expresion\ \frac{125}{600}=\frac{5}{24}\\\\= \frac{5}{24}- \frac{2}{3}= \frac{15-48}{72} = -\frac{33}{72}= -\frac{11}{24}$

$2)\ (-\frac{6}{5}+\frac{7}{6})(\frac{15}{2})+ (1-\frac{13}{8})(-5)\\ \\ (\frac{36-35}{30})(\frac{15}{2})+ (\frac{8-13}{8})(-5)= (\frac{1}{30})(\frac{15}{2})+ (-\frac{7}{8})(-5)\\\\ (\frac{15}{60})+ (\frac{35}{8})= \frac{120+2100}{480}=\frac{2220}{480}= \frac{37}{8}$