Title: Itseisarvo

Mikä luku sopii x:n paikalle?

\(x=|[value]-([value])|\)

\(x=\)
Feedback: \(|[value]-([value])|=[value]\) joten \(x=[value]\)

Mikä luku sopii x:n paikalle?

\(x=|[value]|\)

\(x=\)
Feedback: \(|[value]|=[value]\) joten \(x=[value]\)

\(|[value]-([value])|=\)
Feedback: \(|[value]-([value])|=|[value]|=[value]\)