问题
选择题
a、b是有理数,a=-2.5,b=1.5:则a,b,|a|,-b的大小关系是[ ]
A.b >|a|>a> -b
B.|a|> a>b> -b
C.|a| > b > -b > a
D.|a| > b >a> -b
答案
答案:C
a、b是有理数,a=-2.5,b=1.5:则a,b,|a|,-b的大小关系是[ ]
A.b >|a|>a> -b
B.|a|> a>b> -b
C.|a| > b > -b > a
D.|a| > b >a> -b
答案:C