Question

A=(1-\(\frac{1}{2}\)) x (1-1/3) x (1-1/4) x (1-1/5) x (1-1/6) =?

Answer 1

A= \(\frac{1}{2}\times\frac{2}{3}\times\frac{3}{4}\times\frac{4}{5}\times\frac{5}{6}=\frac{1.2.3.4.5}{2.3.4.5.6}=\frac{1}{6}\)

Vậy A = \(\frac{1}{6}\)

đúng cái

Answer 2

A = 1/2 x 2/3 x 3/4 x 4/5 x5/6

A = 1/6 

         đún nhé