问题
选择题
下列各式中正确的是( )
|
答案
A、错误,∵|-0.1|=0.1,|-0.01|=0.01,0.1>0.01,
∴|-0.1|>|-0.01|;
B、错误,∵|-
|=1 3
=1 3
,5 15
=1 5
,3 15
>5 15
,3 15
∴|-
|>1 3
;1 5
C、正确,|-
|=4 5
>12 15
=2 3
,∴|-10 15
|>4 5
;2 3
D、错误,∵|-
|=1 9
<2 18
=1 2
,∴|-2 18
|<+1 9 1 2
故选C.