Question

[Nguyễn Hồng Quế Chi]

X:0,1+X:0,25+X:0,5+Xx4=2018

Answer 1

[Roxana_Scarlet]

Ui bài khó quá mk ko làm đc xl nhé.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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Answer 2

[Nguyễn Thị Thái Hằng]

 X:0,1+X:0,25+X:0,5+X×4

⇒ x :0,1+ x :0,25+ X:0,5+x:0,25=2018

⇒ X:(0,1+0,25+0,5+0,25)=2018

⇒ X:1,1=2018

⇒ x=2018 x1,1=2219,8

 Vậy X=2219,8