计算limn→∞2n2+11+2+…+n=______. 发布时间:2017-04-13 11:15 │ 来源:www.tikuol.com 题型:填空题 问题: 计算limn→∞2n2+11+2+…+n=______.
题型:填空题 已知全集U={1,2,3,4,5,6,7,8},A={2,5,8},B={1,3,5,7},则(∁UA)∩B等于( )A.{5}B.{1,3,7}C.{2,8}D.{1,3,4,5,6,7,8} 查看答案