以下程序运行后的输出结果是 ( ) main( ) {int a,b; a 发布时间:2017-06-11 02:36 │ 来源:www.tikuol.com 题型:单项选择题 问题: 以下程序运行后的输出结果是 ( ) main( ) {int a,b; a=50;b=90; printf("%d\n",(a,b)) }A.90B.50 90C.50D.450
题型:单项选择题 数列{an}满足a1=2,an+1=(λ-3)an+2n,(n=1,2,3…).(Ⅰ) 当a2=-1时,求实数λ及a3;(Ⅱ)当λ=5时,设bn=an2n,求数列{bn}的通项公式(III)是否存在实数λ,使得数列{an}为等差数列?若存在,求出其通项公式,若不存在,说明理由. 查看答案
题型:单项选择题 The GMDSS defines four sea area based on the().A.location and capacity of the facilities located on board shipsB.Position and type of a sincre sintionC.Capacity and location of shore based communication facilitiesD.Position and capacity of mobile communication stations 查看答案