
Bài kiểm tra 15 phút

Quiz
•
Mathematics
•
7th Grade
•
Medium
Trần Thu Hương
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho biết hai đại lượng x và y tỉ lệ nghịch với nhau, khi x =3 thì y =5. Hãy biểu diễn y theo x
y =15x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho biết hai đại lượng x và y tỉ lệ nghịch với nhau, khi x = 3 thì y bằng 4. Hệ số tỉ lệ a bằng
12
-12
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để làm một công việc trong 4 giờ cần 25 công nhân. Nếu 50 công nhân làm việc trong mấy giờ?
3 giờ
2 giờ
8 giờ
6 giờ
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
y= 2x
y=-2x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(Các phép toán trong tập hợp số hữu tỉ)
Tìm x biết
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-4
-6
-8
-10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0
3
6
9
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