Question

help me

Answer 1

\(=\dfrac{1}{2}\cdot3-\dfrac{1}{4}+\dfrac{1}{3}=\dfrac{3}{2}-\dfrac{1}{4}+\dfrac{1}{3}=\dfrac{19}{12}\)

Answer 2

=0,5 . 3 - 1/4 + 1/3

=1.5- 7/12 

 

Answer 3

\(=0,5.3-\dfrac{1}{4}+\dfrac{1}{3}\\=\dfrac{3}{2}-\dfrac{1}{4}+\dfrac{1}{3}\\ =\dfrac{18}{12}+\dfrac{-3}{12}+\dfrac{4}{12}\\ \dfrac{19}{12} \)

 chúc bn thi may mắn