Question

2-x-50%=0,25

Answer 1

\(2-x-50\%=0,25\)

\(\Rightarrow2-x-\frac{1}{2}=\frac{1}{4}\)

\(\Rightarrow\frac{4}{2}-x-\frac{1}{2}=\frac{1}{4}\)

\(\Rightarrow\frac{3}{2}-x=\frac{1}{4}\)

\(\Rightarrow x=\frac{3}{2}-\frac{1}{4}\)

\(\Rightarrow x=\frac{6}{4}-\frac{1}{4}\)

\(\Rightarrow x=\frac{5}{4}\)

Vậy \(x=\frac{5}{4}\)

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Answer 2

2-x-50%=0,25

trả lời;

2-x-50%=0,25

=>x=1,25