比较大小:(1)|611-1839|与|1839-3059|;(2)227,355113,π;(3)-5627,-167,175,-2813,-83-数学

题目简介

比较大小:(1)|611-1839|与|1839-3059|;(2)227,355113,π;(3)-5627,-167,175,-2813,-83-数学

题目详情

比较大小:
(1)|
6
11
-
18
39
|
|
18
39
-
30
59
|
;(2)
22
7
355
113
,π;(3)-
56
27
,-
16
7
17
5
,-
28
13
,-
8
3
题型:解答题难度:中档来源:不详

答案

(1)∵|class="stub"6
11
-class="stub"18
39
|
=class="stub"12
143
|class="stub"18
39
-class="stub"30
59
|
=-class="stub"108
2301

|class="stub"6
11
-class="stub"18
39
|
|class="stub"18
39
-class="stub"30
59
|

(2)计算得class="stub"22
7
≈3.142857,class="stub"355
113
≈3.14159292,
class="stub"22
7
class="stub"355
113
>π;
(3)-class="stub"8
3
<-class="stub"16
7
<-class="stub"28
13
<-class="stub"56
27
<class="stub"17
5

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