Question

1.Tính

a.1/6+2/6+5/6       5/18+7/18+13/18

Answer 1

\(a)\)

\(\dfrac{1}{6}+\dfrac{2}{6}+\dfrac{5}{6}=\dfrac{1+2+5}{6}=\dfrac{8}{6}=\dfrac{4}{3}\)

\(b)\)

\(\dfrac{5}{18}+\dfrac{7}{18}+\dfrac{13}{18}=\dfrac{5+7+13}{18}=\dfrac{25}{18}\)