Tìm x biết: 2020-Ix-2020I=x Question Tìm x biết: 2020-Ix-2020I=x in progress 0 Môn Toán Doris 5 years 2021-05-18T17:07:30+00:00 2021-05-18T17:07:30+00:00 1 Answers 39 views 0
Answers ( )
Đáp án:x=1
Giải thích các bước giải:-|x-2020|=x-2020
|X-2020|=2020+x
Th1 x-2020=2020-x
Th2 x-2020=-2020+x