Podoblasť: KombinatorikaČasť: BProject ID: 9000140505Source Problem: 2010007101Accepted: 1Clonable: 1Easy: 0Zjednodušte \(\frac{72!} {70!+71!}\).\(71\)\(72\)\(\frac{72} {141}\)\(\frac{72!} {141!}\)
