设集合
,若
,把
中的所有元素的乘积称为
的容量(若
中只有一个元素,则该元素的值即为它的容量,规定空集的容量为0).若
的容量为奇(偶)数,则称
为
的奇(偶)子集,若
,则
的所有偶子集的容量之和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96ef07b7c4ac443b653e7933d61df03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dbd65a545df6c8bef13d808159c6816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
更新时间:2023-10-13 13:49:22
|
相似题推荐
填空题-单空题
|
适中
(0.65)
名校
【推荐1】设
是整数集的一个非空子集,对于
,如果
,
,那么
是
的一个“孤立元”,给定
,则
的所有子集中,只有一个“孤立元”的集合共有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9877c448965ecfb90d46c988bc6058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dcf366345fd85852a1a9aabd5dbc9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fd02decc820dd497374421d5e48166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402c8521b4c81a4cfde12745ecbff274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】已知集合
,对它的非空子集
,可将
中的每一个元素
都乘以
再求和(如
,可求得和为:
,则对
的所有非空子集执行上述求和操作,则这些和的总和是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc14fd37f235df6a7df7054ae1ee55d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6eb4aede87384a1a664f8193006632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8656d50412c0630b776d57a33ef67546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb091fd5521eeb7428e757871914f6fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐1】设
是
的两个非空子集,如果存在一个从
到
的函数
满足:(i)
;(ii)对任意
,当
时,恒有
.那么称这两个集合“保序同构”.现给出以下4对集合.①
;②
;③
;④
,其中,“保序同构”的集合对的对应的序号是____ (写出所有“保序同构”的集合对的对应的序号).
![](https://img.xkw.com/dksih/QBM/2014/7/15/1571820486942720/1571820492578816/STEM/4f082514c19a46199e4ef3a3d76afec2.png?resizew=31)
![](https://img.xkw.com/dksih/QBM/2014/7/15/1571820486942720/1571820492578816/STEM/711c54faefb444ba96941f3cd7ac9f3e.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2014/7/15/1571820486942720/1571820492578816/STEM/8789a9e332674078a38f37db622c6e53.png?resizew=15)
![](https://img.xkw.com/dksih/QBM/2014/7/15/1571820486942720/1571820492578816/STEM/766ee9ffe41942c59b7ecbf173fa4650.png?resizew=15)
![](https://img.xkw.com/dksih/QBM/2014/7/15/1571820486942720/1571820492578816/STEM/236f66bc263b487bb0ec71c5e4976013.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2014/7/15/1571820486942720/1571820492578816/STEM/b88e73f0f8bd4cf1b866e0f36665bd9b.png?resizew=115)
![](https://img.xkw.com/dksih/QBM/2014/7/15/1571820486942720/1571820492578816/STEM/3d13d7a0828f4cb2993576a27979e6fd.png?resizew=63)
![](https://img.xkw.com/dksih/QBM/2014/7/15/1571820486942720/1571820492578816/STEM/d66eb6a91b484b64a0c84445db3a12db.png?resizew=47)
![](https://img.xkw.com/dksih/QBM/2014/7/15/1571820486942720/1571820492578816/STEM/c848d15f3198445c929e5a21c93ba006.png?resizew=93)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82cb57c42664d37bcc770a2d02a05417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0c81eee36bbd72a08a89e0164835e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5a92392e7499a38697d183c9526559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10995bd7f0e93c5682fdf4e922c40384.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】设非空集合A,若对A中任意两个元素
,
,通过某个法则“
”,使A中有唯一确定的元素
与之对应,则称法则“
”为集合A上的一个代数运算.若A上的代数运算“
”还满足:(1)对
,都有
;(2)对
,
,使得
,
.称A关于法则“
”构成一个群.给出下列命题:
①实数的除法是实数集上的一个代数运算;
②自然数集关于自然数的加法不能构成一个群;
③非零有理数集关于有理数的乘法构成一个群;
④正整数集关于法则
构成一个群.
其中正确命题的序号是____________ .(填上所有正确命题的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85bda46cc51c938224d9165301e3896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85bda46cc51c938224d9165301e3896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85bda46cc51c938224d9165301e3896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b443c138c481dfd65c9f6e003d087b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28da8f967b9a606d62e0a4b6d4e6c5d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c20ff64cc48dd0907b3f86c2f72ed4fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ba16f6840eb11bbfeb023ee01d5d72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c33971864d94d631157b820151fc092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833ee25957485aa599c4944813f29587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85bda46cc51c938224d9165301e3896.png)
①实数的除法是实数集上的一个代数运算;
②自然数集关于自然数的加法不能构成一个群;
③非零有理数集关于有理数的乘法构成一个群;
④正整数集关于法则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd597898067976a68afed46c1b1fd827.png)
其中正确命题的序号是
您最近一年使用:0次