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Quoc Tran Anh Leanswered a question

03/09/2018 at 07:52

Coodinator

We have:\(2=\dfrac{1}{5}\) and \(7:2=\dfrac{7}{2}\Rightarrow7=\dfrac{1}{5}.\dfrac{7}{2}=\dfrac{7}{10}\)

Quoc Tran Anh Leliked an answer of question

20/08/2018 at 14:45

Quoc Tran Anh Leanswered a question

03/09/2018 at 07:50

Coodinator

If \(2=\dfrac{1}{5}\Rightarrow7=\dfrac{7}{10}\) .Because, \(7:2=\dfrac{7}{2}\),we have: \(2=\dfrac{1}{5}\Leftrightarrow7=\dfrac{1}{5}.\dfrac{7}{2}=\dfrac{7}{10}\)