Tìm x, biết: x : 7/12 = 1/2 − 2/7
Giải thích
Ta có:
\[x:\frac{7}{{12}} = \frac{1}{2} - \frac{2}{7}\]
\[x:\frac{7}{{12}} = \frac{3}{{14}}\]
\[x = \frac{3}{{14}} \times \frac{7}{{12}}\]
\[x = \frac{1}{8}\]
Vậy \[x = \frac{1}{8}\]
Ta có:
\[x:\frac{7}{{12}} = \frac{1}{2} - \frac{2}{7}\]
\[x:\frac{7}{{12}} = \frac{3}{{14}}\]
\[x = \frac{3}{{14}} \times \frac{7}{{12}}\]
\[x = \frac{1}{8}\]
Vậy \[x = \frac{1}{8}\]