Question

[I love music]

1phan2+1phan -3+1phan4+1phan6

ketqua la bao nhieu? nhanh tick

Answer 1

[Mai Ngọc]

Ta có: \(\frac{1}{2}+\frac{1}{-3}+\frac{1}{4}+\frac{1}{6}\)

\(=\frac{1}{2}-\frac{1}{3}+\frac{1}{6}+\frac{1}{4}\)

\(=\frac{1}{6}+\frac{1}{6}-\frac{1}{4}\)

\(=\frac{1}{3}+\frac{1}{4}=\frac{7}{12}\)