集合论的基本运算
Quiz
•
Mathematics
•
8th Grade
•
Medium
J3L00 黄世基NG
Used 12+ 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
范恩图上的阴影部分表示__________。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
范恩图上的阴影部分表示__________。
C \ (A∩B)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
范恩图上的阴影部分表示__________。
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