集合论的基本运算

集合论的基本运算

8th Grade

10 Qs

quiz-placeholder

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集合论的基本运算

集合论的基本运算

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

J3L00 黄世基NG

Used 13+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果

A={1,2,3,4}

B={2,4,6,8}

那么A U B=?

{1,2,3,4,6,8}

{2,4}

{1,3}

{6,8}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果

A={1,2,3,4}

B={2,4,6,8}

那么A ∩ B=?

{1,2,3,4,6,8}

{2,4}

{1,3}

{6,8}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果

A={1,2,3,4}

B={2,4,6,8}

那么A \ B=?

{1,3}

{2,4}

{1,3,6,8}

{6,8}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果
ξ={1,2,3,4,5,6,7,8,9}
A={1,2,4,8}
B={2,3,5,7}
那么(AUB ) ‘ = ?

{1,2,3,4,5,7,8}

{2}

{6,9}

{1,3,4,5,6,7,8,9}

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

范恩图上的阴影部分表示__________。

(AB)C\left(A\cup B\right)\cap C

ABA\cap B

ABA\cup B

(AC)(BC)\left(A\cap C\right)\cup\left(B\cap C\right)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

范恩图上的阴影部分表示__________。

(AB)C\left(A\cap B\right)\cap C

ABA∩B

ABA\cup B

C \ (A∩B)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

范恩图上的阴影部分表示__________。

(AB)C\left(A\cap B\right)\cup C

ABA\cap B

ABA\cup B

(AB)C\left(A\cup B\right)\cap C

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