Question

[kudo sinhinichi]

gải giúp mik bài 3 , 4

Answer 1

[Vương Hương Giang]

Bài 1:

a)\(\dfrac{15}{8}-\dfrac{11}{8}=\dfrac{4}{8}\)

b) \(\dfrac{22}{9}-\dfrac{7}{9}=\dfrac{15}{9}\)

c)\(\dfrac{7}{6}-\dfrac{4}{5}=\dfrac{35}{30}-\dfrac{24}{30}=\dfrac{11}{30}\)

d) \(\dfrac{11}{12}-\dfrac{2}{3}=\dfrac{11}{12}-\dfrac{8}{12}=\dfrac{3}{12}=\dfrac{1}{4}\)

Answer 2

[đổ văn lục]

:)