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การหาจำนวนสมาชิกของเซต

Authored by ศรีวิภา เกษทอง

Mathematics

10th Grade

Used 10+ times

การหาจำนวนสมาชิกของเซต
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ข้อใดเป็นสูตรการหาจำนวนสมาชิกของเซต

n(A∪B)=n(A)+n(B)n\left(A\cup B\right)=n\left(A\right)+n\left(B\right)
+n(A∩B)+n\left(A\cap B\right)

n(A∪B)=n(A)+n(B)n\left(A\cup B\right)=n\left(A\right)+n\left(B\right)
−n(A∩B)-n\left(A\cap B\right)

n(A∪B)=n(A)−n(B)n\left(A\cup B\right)=n\left(A\right)-n\left(B\right)
−n(A∩B)-n\left(A\cap B\right)

n(A∪B)=n(A)+n(B)n\left(A\cup B\right)=n\left(A\right)+n\left(B\right)
−n(A∪B)-n\left(A\cup B\right)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 กำหนดให้  n(U)=100 , กำหนดให้\ \ n\left(U\right)=100\ ,\  
 n(A)=50,  n(B)=30 , n\left(A\right)=50,\ \ n\left(B\right)=30\ ,\   
 n(A∩B)=25  n\left(A\cap B\right)=25\ \   
 จงหา    n(A∪B)จงหา\ \ \ \ n\left(A\cup B\right)  

25

30

45

55

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 กำหนดให้  n(U)=100 ,กำหนดให้\ \ n\left(U\right)=100\ , 
  n(A)=50,  n(B)=30 ,\ n\left(A\right)=50,\ \ n\left(B\right)=30\ ,  
  n(A∩B)=25\ n\left(A\cap B\right)=25  
 จงหา    n(A−B)จงหา\ \ \ \ n\left(A-B\right)  

25

30

45

55

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 กำหนดให้  n(U)=100 , กำหนดให้\ \ n\left(U\right)=100\ ,\  
 n(A)=50,  n(B)=30 , n\left(A\right)=50,\ \ n\left(B\right)=30\ ,\   
 n(A∩B)=25n\left(A\cap B\right)=25  
 จงหา   n(A∪B)′จงหา\ \ \ n\left(A\cup B\right)'  

25

30

45

55

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 กำหนดให้  n(U)=100 , กำหนดให้\ \ n\left(U\right)=100\ ,\  
 n(A−B)=40 , n(B−A)=25n\left(A-B\right)=40\ ,\ n\left(B-A\right)=25  
 n(A∪B)′=15  n\left(A\cup B\right)'=15\ \   
 จงหา  n(A∩B)จงหา\ \ n\left(A\cap B\right)  

20

25

45

60

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 กำหนดให้  n(U)=100 , กำหนดให้\ \ n\left(U\right)=100\ ,\  
 n(A−B)=40 , n(B−A)=25n\left(A-B\right)=40\ ,\ n\left(B-A\right)=25  
 n(A∪B)′=15 n\left(A\cup B\right)'=15\   
  จงหา   n(A)\ จงหา\ \ \ n\left(A\right)  

20

25

45

60

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 กำหนดให้  n(U)=100 , กำหนดให้\ \ n\left(U\right)=100\ ,\  
 n(A)=50,  n(B)=30 , n\left(A\right)=50,\ \ n\left(B\right)=30\ ,\   
 n(A∩B)=25n\left(A\cap B\right)=25  
 จงหา   n(B)′จงหา\ \ \ n\left(B\right)'  

50

60

70

80

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