Question

Làm từ câu 12-16 ko làm câu 1

Answer 1

\(\dfrac{3}{4}.\left(\dfrac{1}{4}:\dfrac{7}{8}\right)=\dfrac{3}{4}.\dfrac{2}{7}=\dfrac{21}{8}\)

Answer 2

21/8

Answer 3

= 21/8

Answer 4

\(\dfrac{21}{8}\)

Answer 5

21/8