\(=\frac{1}{2}x\frac{2}{3}x\frac{3}{4}x\frac{4}{5}\)
\(=\frac{1}{5}\)
=1/2x 2/3x 3/4x 4/5
=1/5
hok tốt
1/5 học tốt
\(\left(1-\frac{1}{2}\right)\cdot\left(1-\frac{1}{3}\right)\cdot\left(1-\frac{1}{4}\right)\cdot\left(1-\frac{1}{5}\right)\)
\(=\frac{1}{2}\cdot\frac{2}{3}\cdot\frac{3}{4}\cdot\frac{4}{5}\)
\(=\frac{1\cdot̸2\cdot̸̸3\cdot̸4}{̸2\cdot̸3\cdot̸4\cdot5}\)
\(=\frac{1}{5}\)
= \(\frac{1}{2}\)\(x\)\(\frac{2}{3}\)\(x\)\(\frac{3}{4}\)\(x\)\(\frac{4}{5}\)
= \(\frac{1}{5}\)
Hok tốt!
1/5 nhe chuc ban hoc tot
là phương pháp khử nha bạn
