有理数-0.5,-13,0,-37,1.2,-123,+1按从小到大的顺序排列是______.-数学

题目简介

有理数-0.5,-13,0,-37,1.2,-123,+1按从小到大的顺序排列是______.-数学

题目详情

有理数-0.5,-
1
3
,0,-
3
7
,1.2,-1
2
3
,+1
按从小到大的顺序排列是______.
题型:填空题难度:中档来源:不详

答案

∵|-0.5|=class="stub"1
2
,|-class="stub"1
3
|=class="stub"1
3
=class="stub"7
21
,|-class="stub"3
7
|=class="stub"3
7
=class="stub"9
21
,|-1class="stub"2
3
|=1class="stub"2
3
=class="stub"5
3

∴-class="stub"1
3
>-class="stub"3
7
>-0.5>-1class="stub"2
3

∴有理数-0.5,-class="stub"1
3
,0,-class="stub"3
7
,1.2,-1class="stub"2
3
,+1
按从小到大的顺序排列为-1class="stub"1
3
<-0.5<-class="stub"3
7
<-class="stub"1
3
<0<+1<1.2.
故答案为-1class="stub"1
3
<-0.5<-class="stub"3
7
<-class="stub"1
3
<0<+1<1.2.

更多内容推荐