已知全集U={1,2,3,4,5,6,7,8,9,10},集合A={a1,a2, 发布时间:2017-05-15 17:20 │ 来源:www.tikuol.com 题型:填空题 问题: 已知全集U={1,2,3,4,5,6,7,8,9,10},集合A={a1,a2,a3},则满足a3≥a2+1≥a1+4的集合A的个数是______.(用数字作答)
题型:填空题 — hall he come today or tomorrow?— p to him.It makes no ________ to me.[ ]A. meaning B. troubleC. relation D. difference 查看答案