题目

二十二边形的外角和为        . 答案：360解析:任意多边形的外角和都是360°，故二十二边形的外角和为360°Shanghai is _________ the south-east of Wuxi and Jiangyin is _______ the north of Wuxi.A. in; in B. to; to C. to; in D. in; to