Question

AYUDA ;-; :C AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Answer 1

Respuesta:

EJERCICIO 1 (con resolucion):

$\frac{3}{5}-\frac{10}{5}+\frac{9}{5}+\frac{3}{5} \\\\\frac{3-10+9+3}{5}\\ \\\frac{-7+9+3}{5} \\\\\frac{2+3}{5} \\\\\frac{5}{5}= 1$

EJERCICIO 2 (con resolucion):

$\frac{6}{7}-\frac{11}{14}-\frac{9}{14}+\frac{4}{7}\\ \\\frac{12-11-9+8}{14} \\\\\frac{1-9+8}{7}\\\\\\\frac{-8+8}{7}\\\\\frac{0}{14}\\=0$

EJERCICIO 3 (con resolucion):

$-\frac{3}{5}-\frac{2}{3}-\frac{2}{9}+\frac{7}{15} \\ \\ \frac{-27-30-10+21}{45} \\\\\frac{-57-10+21}{45}\\ \\\frac{-67+21}{45}\\ \\\frac{-46}{45}$

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