已知一个多边形的每个外角为36°,则这个多边形的边数为______. 发布时间:2017-05-13 16:43 │ 来源:www.tikuol.com 题型:填空题 问题: 已知一个多边形的每个外角为36°,则这个多边形的边数为______.
题型:填空题 — Where is Betty? — She ______ on the playground half an hour ago. [ ]A. sees B. saw C. is seen D. was seen 查看答案