Luyện tập. Bài 1 ĐS6
Presentation
•
Mathematics
•
6th Grade
•
Medium
Trang Mai
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1 Slide • 5 Questions
1
By Trang Mai
2
Multiple Choice
Cách viết đúng tập hợp A gồm các số tự nhiên nhỏ hơn 5 là:
A={1;2;3;4}
A={0;1;2;3}
A={0;1;2;3;4}
A={0;1;2;3;4;5}
3
Multiple Choice
Tập hợp M = {a; b; c; x; y}. Chọn cách viết sai :
a∈M
d∈M
x∈M
d∈/M
4
Multiple Choice
A={x∈N, 2≤x<10}
Tổng của các phần tử trong tập hợp A bằng:
44
40
45
35
5
Multiple Choice
Tập hợp
K={x ∈N∣x≤3∣} có bao nhiêu phần tử?
3
4
2
5
6
Multiple Choice
Viết tập hợp A các số tự nhiên lớn hơn 3 và nhỏ hơn 10.
A = {3; 4; 5; 6; 7; 8; 9}
A = {3; 4; 5; 6; 7; 8; 9; 10}
A = {4; 5; 6; 7; 8; 9}
A = {4; 5; 6; 7; 8; 9; 10}
By Trang Mai
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