Question

a) 5/6 + 3/2 x 4/5 =
b) 6/7 : 9/14 - 1 =

Helpppp =< ( lười tính )

 

Answer 1

a) \(\dfrac{5}{6}+\dfrac{3}{2} . \dfrac{4}{5}=\dfrac{5}{6}+\dfrac{3 . 4}{2 . 5}=\dfrac{5}{6}+\dfrac{6}{5}=\dfrac{61}{30}\)

b)\(\dfrac{6}{7} : \dfrac{9}{14}-1=\dfrac{6}{7} . \dfrac{14}{9}-1=\dfrac{4}{3}-1=\dfrac{4}{3}-\dfrac{3}{3}=\dfrac{1}{3}\)

Answer 2

a)\(=\dfrac{61}{30}\)

b)\(=\dfrac{1}{3}\)

Answer 3

lười thì cố gắng chăm đi chứ