Quoc Tran Anh Le Coordinator
20/08/2018 at 07:59-
Alone 20/08/2018 at 14:45\(2=\dfrac{1}{5}\Rightarrow2:2.7=\dfrac{1}{5}:2.7\)
\(\Rightarrow7=\dfrac{7}{10}\)
Selected by MathYouLike -
Quoc Tran Anh Le 03/09/2018 at 07:52<span class="label label-success"><i class="fa fa-star fa-2"></i> Coodinator</span>
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 Le 03/09/2018 at 07:50
<span class="label label-success"><i class="fa fa-star fa-2"></i> Coodinator</span>
If \(2=\dfrac{1}{5}\Rightarrow7=\dfrac{7}{10}\) .Because, \(7:2=\dfrac{7}{2}\),we have: \(2=\dfrac{1}{5}\Leftrightarrow7=\dfrac{1}{5}.\dfrac{7}{2}=\dfrac{7}{10}\)