题目内容
从20~50之间，存在多少个奇数？
查看答案
搜索结果不匹配？点我反馈
更多问题
若甲乙丙三人前、中、后站位，闭眼后随机从2蓝4白顶帽子中抽3顶戴在三人头上。丙先睁开眼睛，并根据甲乙带帽颜色情况推理自己的帽子颜色，并给出“知道”或者“不知道”的答案；乙在听到丙的答案后，睁眼观察甲帽子颜色，同样给出“知道”或者“不知道”的答案，问：甲在听到丙和乙的答案后，他的答案应该是？
Chinese towers and pavilions are different from ancient European buildings, outside of which there are no_________________.
Which forms do the Chinese try to reduce when they build towers so that the towers can overlook the vast land?
Where do the Chinese usually build the pavilion and towers in the region south of the Yangtze River?
微信支付 
支付宝支付