比较大小.(1)-35______-53;(2)-0.25______-2.5;(3)-23______-|+23|;(4)-(-23)______|+23|.-数学

题目简介

比较大小.(1)-35______-53;(2)-0.25______-2.5;(3)-23______-|+23|;(4)-(-23)______|+23|.-数学

题目详情

比较大小.
(1)-
3
5
______-
5
3

(2)-0.25______-2.5;
(3)-
2
3
______-|+
2
3
|

(4)-(-
2
3
)
______|+
2
3
|
题型:解答题难度:中档来源:不详

答案

(1)∵-class="stub"3
5
=-class="stub"9
15
-class="stub"5
3
=-class="stub"25
15

-class="stub"3
5
-class="stub"5
3


(2)-0.25>-2.5;

(3)-class="stub"2
3
=-|+class="stub"2
3
|


(4)∵-(-class="stub"2
3
)
=class="stub"2
3
|+class="stub"2
3
|
=class="stub"2
3

-(-class="stub"2
3
)
=|+class="stub"2
3
|

故答案为:>;>;=;=.

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