集合论基本概念

集合论基本概念

8th Grade

10 Qs

quiz-placeholder

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集合论基本概念

集合论基本概念

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

J3L00 黄世基NG

Used 5+ times

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10 questions

Show all answers

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?

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 AB, BC,  ACA\ne B,\ B\ne C,\ \ A\subset C  
下列哪一个是它们范恩图的画法。

Media Image
Media Image
Media Image
Media Image

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

{1, 2, 3, 4}{1, 2, 3}\left\{1,\ 2,\ 3,\ 4\right\}\subseteq\left\{1,\ 2,\ 3\right\}

ϕ{1}\phi\subseteq\left\{1\right\}

{1}{1, 2}\left\{1\right\}\in\left\{1,\ 2\right\}

{1,2,3}{1,1,1,2,2,2,3,3,3}\left\{1,2,3\right\}\ne\left\{1,1,1,2,2,2,3,3,3\right\}

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

如图所示,n(A) = ?

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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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