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> 三角形的三边分别为3,1-2a,8,则a的取值范围是()A.-6<a<-3B.-5<a<-2C.2<a<5D.a<-5或a>-2-数学
三角形的三边分别为3,1-2a,8,则a的取值范围是()A.-6<a<-3B.-5<a<-2C.2<a<5D.a<-5或a>-2-数学
题目简介
三角形的三边分别为3,1-2a,8,则a的取值范围是()A.-6<a<-3B.-5<a<-2C.2<a<5D.a<-5或a>-2-数学
题目详情
三角形的三边分别为3,1-2a,8,则a的取值范围是( )
A.-6<a<-3
B.-5<a<-2
C.2<a<5
D.a<-5或a>-2
题型:单选题
难度:偏易
来源:不详
答案
B
上一篇 :
不等式组a<1+2x<b的解集为-3<x<-1,
下一篇 :
解不等式(组),并把解集用数轴表示
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题目简介
三角形的三边分别为3,1-2a,8,则a的取值范围是()A.-6<a<-3B.-5<a<-2C.2<a<5D.a<-5或a>-2-数学
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