Question

\(Q=\left|x-2020\right|+\left|x-2021\right|+\left|x-2022\right|\)

Answer 1

đề bài yêu cầu gì bn? 

Answer 2

TH1: x<2020

Q=2020-x+2021-x+2022-x=6063-3x

TH2: 2020<=x<2021

Q=x-2020+2021-x+2022-x=2023-x

TH3: 2021<=x<2022

Q=x-2020+x-2021+2022-x=x-2019

TH4: x>=2022

Q=x-2020+x-2021+x-2022=3x-6063