Question

giúp mình giải câu này nha 3/4-(2/3+3/4)+2/3+2022/2023

Answer 1

`3/4-(2/3+3/4)+2/3+2022/2023`

`=3/4 - 2/3 - 3/4 +2/3 +2022/2023`

`= (3/4 -3/4 ) + (-2/3 +2/3) +2022/2023`

`= 0+0+2022/2023`

`=2022/2023`

Answer 2

\(\dfrac{3}{4}-\left(\dfrac{2}{3}+\dfrac{3}{4}\right)+\dfrac{2}{3}+\dfrac{2022}{2023}\)

\(=\dfrac{3}{4}-\left(\dfrac{8}{12}+\dfrac{9}{12}\right)+\dfrac{2}{3}+\dfrac{2022}{2023}\)

\(=\dfrac{3}{4}-\dfrac{17}{12}+\dfrac{2}{3}+\dfrac{2022}{2023}\)

\(=\dfrac{9}{12}-\dfrac{17}{12}+\dfrac{8}{12}+\dfrac{2022}{2023}\)

\(=\dfrac{9-17+8}{12}+\dfrac{2022}{2023}=\dfrac{0}{12}+\dfrac{2022}{2023}=0+\dfrac{2022}{2023}\)

\(=\dfrac{2022}{2023}\)

#YTVA