Question

[Meo_0510]

giúp meo zới

Answer 1

[Thái Hưng Mai Thanh]

a)\(\dfrac{3}{4}+\dfrac{1}{6}=\dfrac{18}{24}+\dfrac{4}{24}=\dfrac{22}{24}=\dfrac{11}{12}\)

b)\(\dfrac{5}{3}-\dfrac{3}{5}=\dfrac{25}{15}-\dfrac{9}{15}=\dfrac{16}{15}\)

c)\(\dfrac{3}{4}\times\dfrac{2}{9}=\dfrac{3\times2}{4\times9}=\dfrac{6}{36}=\dfrac{1}{6}\)

d)\(\dfrac{3}{9}:\dfrac{8}{9}=\dfrac{3}{9}\times\dfrac{9}{8}=\dfrac{27}{72}=\dfrac{3}{8}\)

Answer 2

[Meo_0510]

nhanh lên nhé meo cần gấp