Rt△ABC中,AB为斜边,AB•AC=9,S△ABC=6,设P是△ABC(含边 发布时间:2017-04-17 05:10 │ 来源:www.tikuol.com 题型:填空题 问题: Rt△ABC中,AB为斜边,AB•AC=9,S△ABC=6,设P是△ABC(含边界)内一点,P到三边AB,BC,AC的距离分别为x,y,z,则x+y+z的取值范围是______.
题型:填空题 I do not doubt ________ win in the race.A.whether he willB.whether will heC.that he will D.that will he 查看答案