6.
观察下列等式:
\(1- \dfrac{1}{2}= \dfrac{1}{2} \)
\(1- \dfrac{1}{2}+ \dfrac{1}{3}- \dfrac{1}{4}= \dfrac{1}{3}+ \dfrac{1}{4} \)
\(1- \dfrac{1}{2}+ \dfrac{1}{3}- \dfrac{1}{4}+ \dfrac{1}{5}- \dfrac{1}{6}= \dfrac{1}{4}+ \dfrac{1}{5}+ \dfrac{1}{6} \)
\(…………\)
据此规律,第\(n\)个等式可为___________.