Rt△ABC中,两条直角边AC,BC的长分别为22cm与2cm,点D是斜边AB上 发布时间:2017-05-26 21:38 │ 来源:www.tikuol.com 题型:填空题 问题: Rt△ABC中,两条直角边AC,BC的长分别为22cm与2cm,点D是斜边AB上的中点,则CD=______cm.
题型:填空题 Breakfast is meal of the day. It gives us energy after a long night without food.A.importantB.more importantC.the most importantD.very important 查看答案