Các tập hợp số

Các tập hợp số

10th Grade - University

10 Qs

quiz-placeholder

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Các tập hợp số

Các tập hợp số

Assessment

Quiz

Mathematics

10th Grade - University

Hard

Created by

Vi Thảo

Used 11+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

[–3;1)  \cup   (0;4]

[-3;0)

(0,1)

[-3:4]

(-3;4)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (4;1)[2;3]\left(-4;1\right)\cap\left[-2;3\right]  


[-4;3]

(-2;1)

[-2;1)

[-2;1]

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

R\ [3;+]\left[3;+\infty\right]  

 ϕ\phi  

[0;3]

 (;3]\left(-\infty;3\right]  

 (;3)\left(-\infty;3\right)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 A=[1;4], B=(2;6), C=(1;2). X=ABC=?A=\left[1;4\right],\ B=\left(2;6\right),\ C=\left(1;2\right).\ X=A\cap B\cap C=?  

X=[1;6)

X=(2;4]

X=(1;2]

 ϕ\phi  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 A={xR, x+3<4+2x}A=\left\{x\in R,\ x+3<4+2x\right\}  

 B={xR, 5x3<4x1}B=\left\{x\in R,\ 5x-3<4x-1\right\}  

Có bao nhiêu số tự nhiên thuộc tập  ABA\cap B  

0

1

2

3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 A=(;2]; B=[3;+); C=(0;4)A=\left(-\infty;-2\right];\ B=\left[3;+\infty\right);\ C=\left(0;4\right) 
 X=(AB)C=?X=\left(A\cup B\right)\cap C=?   

[3;4]

[3;4)

 (;4)\left(-\infty;4\right)  

[-2;4)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 A=[4;7]A=\left[-4;7\right]  
 B=(;2)(3;+)B=\left(-\infty;-2\right)\cup\left(3;+\infty\right)  
 AB=?A\cap B=?  

 [4;+)\left[-4;+\infty\right)  

 [4;2)(3;7]\left[-4;-2\right)\cup\left(3;7\right]  

 (;+)\left(-\infty;+\infty\right)  

 [4;7]\left[-4;7\right]  

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