1/5+1/6的值是() A.1/30 B.1/15 C.11/30 D.1/3 发布时间:2017-07-06 19:52 │ 来源:www.tikuol.com 题型:单项选择题 问题: 1/5+1/6的值是()A.1/30B.1/15C.11/30D.1/3