\(8\frac{1}{6}\) \(:\) \(2\frac{1}{2}\)
= \(\frac{8\cdot6+1}{6}\) : \(\frac{2\cdot2+1}{2}\)
= \(\frac{48+1}{6}\) : \(\frac{4+1}{2}\)
= \(\frac{49}{6}\) : \(\frac{5}{2}\)
= \(\frac{49}{6}\) x \(\frac{2}{5}\)
= \(\frac{98}{30}\)
= \(\frac{49}{15}\)
Đáp số : \(\frac{49}{15}\)
8 1/6 : 2 1/2
=49/6: 5/2
=49/6 x 2/5
=98/30
=49/15