Question

RESOLVER 1
-9/10- -1/2=

Answer 1

Respuesta:

=$-\frac{2}{5}$

Explicación paso a paso:

$\frac{-9}{10} -\frac{-1}{2}\\\\=\frac{-9}{10}-\frac{-1}{2} \\\\=-\frac{9}{10}+\frac{1}{2}\\\\=-\frac{9}{10}+\frac{5}{10}\\\\=\frac{-9+5}{10}\\\\=\frac{-4}{10}\\\\\\=-\frac{2}{5}$

espero te ayude, dame coronita plis :)