
Toán chương I
Authored by thư thanh
Mathematics
6th - 7th Grade
Used 1+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tập hợp số hữu tỉ được kí hiệu là?
N
N*
Q
R
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn câu đúng :
3/2 thuộc Q
2/3 thuộc Z
-9/2 không thuộc Q
-6 thuộc N
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số nào dưới đây là số hữu tỉ dương?
-2/-3
-2/15
-5/15
2/-15
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số hữu tỉ là số được viết dưới dạng phân số a/b với:
a = 0 ; b ≠ 0
a, b ∈ Z, b ≠ 0
a, b ∈ N
a ∈ N, b ≠ 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các khẳng định sau, khẳng định nào đúng?
0/2 là số hữu tỉ dương
-2/-7 là số hữu tỉ dương
3/0 vừa là số hữu tỉ dương vừa là số hữu tỉ âm
0/5 không là số hữu tỉ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các số hữu tỉ:-2/3; -3/5; 2/3; 5/4; 0 . Hãy sắp xếp các số hửu tỉ trên theo thứ tự tăng dần:
-2/3; -3,5; 0; 5/4; 2/3
-3/5; -2/3; 0; 5/4; 2/3
-3/5; -2/3; 0; 2/3; 5/4
-2/3; -3/5; 0; 2/3; 5/4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các khẳng định sau, khẳng định sai là:
N ⊂ Z
N* ⊂ N
N ⊂ Q
Q ⊂ Z
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