
集合论基本概念
Authored by J3L00 黄世基NG
Mathematics
8th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A={x|x是"teacher"一字的字母}
哪一个是其表列式。
{ t, e, a, c, h, r }
{ t, c, h, r }
{ e, a }
{ t e a c h r }
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A={ x|x 是小写拉丁字母 }
B={ a,b,c,d,...,z}
则下列哪一项是A,B范恩图的画法?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一个是它们范恩图的画法。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如果P={x|x是“element”一字的母音}
则下列哪一项是对的?
n(P)=1
n(P)=3
n(P)=4
n(P)=5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列判断,何者正确?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如图所示,n(A) = ?
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图中各区域内的数表示该区域所含有的元素数量,求n(A)。
1
3
5
8
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