【简答题】(理).已知a n = 1 4 n + 2 100 (n=1,2,…),则S 99 =a 1 +a 2 +…+a 99 =______.
【单选题】我国()是党的事业的重要组成部分,工会工作是党治国理政的一项经常性、基础性工作。
【简答题】(理)若 lim n→∞ (2n+ a n 2 -2n+1 bn+2 )=2 ,则实数a+b的值为______.
【单选题】In the following motion, who is the agent of action? MOTION – “This house, as the central government, would pay people to settle in second-tier cities.”
【单选题】我国工运事业是党的事业的重要组成部分,工会工作是党治国理政的一项经常性、( )工作。( )
【简答题】(理)对于数列,若 lim n→∞ [(3n-1)a n ]=1,则 lim n→∞ (n a n ) =______.
【简答题】理)已知数列{a n }对任意p、q∈N * 有a p a q =a p+q ,若 ,则 = .