Question

giúp mik zới↑

Answer 1

ét o ét

Answer 2

⛇

Answer 3

giải chi tiết nhoa, mới tick

Answer 4

19/15

7/24

1/2

8/3

Answer 5

\(\dfrac{7}{15}+\dfrac{4}{5}=\dfrac{7}{15}+\dfrac{12}{15}=\dfrac{19}{15}\)

\(\dfrac{2}{3}-\dfrac{3}{8}=\dfrac{16}{24}-\dfrac{9}{24}=\dfrac{7}{24}\)

\(\dfrac{4}{5}x\dfrac{5}{8}=\dfrac{20}{40}=\dfrac{2}{4}\)

\(4:\dfrac{3}{2}=4:2x3=6\)