5/6 - 1/ 4 - a/b = 1/2
14 / 24 - 1/2 = 1/12.
Đáp số : 1/12. k mình nha
\(\frac{5}{6}\)-\(\frac{1}{4}\)-\(\frac{a}{b}\)=\(\frac{1}{2}\)
\(\frac{7}{12}\)-\(\frac{a}{b}\) =\(\frac{1}{2}\)
\(\frac{a}{b}\)=\(\frac{7}{12}\)-\(\frac{1}{2}\)
\(\frac{a}{b}\)=\(\frac{1}{12}\)