Question

3 phần 4 - 5 phần 3 nhân 3 phần 4

 

Answer 1

\(\dfrac{3}{4}-\dfrac{5}{3}.\dfrac{3}{4}=\dfrac{3}{4}-\dfrac{15}{12}=\dfrac{9}{12}-\dfrac{15}{12}=\dfrac{-6}{12}=\dfrac{-1}{2}\)

Answer 2

Answer 3

\(\dfrac{3}{4}-\dfrac{5}{3}\cdot\dfrac{3}{4}=\dfrac{3}{4}-\dfrac{5}{4}=\dfrac{-1}{2}\)