Question

ESTOU EM PROVAAAAA ME AJUDEM

Answer 1

$\bigg(\dfrac{1}{2}-\dfrac{1}{3}\bigg)-\bigg(\dfrac{1}{6}-\dfrac{1}{10}\bigg)=$

$\bigg(\dfrac{3-2}{6}\bigg)-\bigg(\dfrac{10-6}{60}\bigg)=$

$\bigg(\dfrac{1}{6}\bigg)-\bigg(\dfrac{4}{60}\bigg)=$

$\dfrac{10}{60}-\dfrac{4}{60}=$

$\dfrac{6}{60}=$

$\boxed{\dfrac{1}{10}}$

Letra A.