Question

[Hồ Thu Giang]

Tính nhanh:

\(\frac{1^2}{1.2}.\frac{2^2}{2.3}.\frac{3^2}{3.4}.\frac{4^2}{4.5}.\frac{5^2}{5.6}\)

Answer 1

[loz]

1/6 nhe

Answer 2

[bao than đen]

\(=\frac{1}{6}\)