0.5,1,2,5,17,107,( )A.1947 B.1945 C.1943 发布时间:2017-06-11 09:33 │ 来源:www.tikuol.com 题型:单项选择题 问题: 0.5,1,2,5,17,107,( )A.1947B.1945C.1943D.1941