Toán 7 Ôn kiểm tra giữa HK2

Quiz
•
Mathematics
•
7th Grade
•
Easy
Thu Ha Nguyen
Used 22+ times
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 7a=10b, phát biểu nào sau đây là đúng?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu các số x, y, z tỉ lệ với các số 6; 4; 3 thì ta có dãy tỉ số bằng nhau nào:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu y = -4 thì x tỉ lệ thuận với y theo hệ số tỉ lệ k = ?
-4
4
1/4
-1/4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho biết y và x là hai đại lượng tỉ lệ nghịch theo hệ số tỉ lệ a, ta có
x.y = a
x.y = 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-4
4
3
2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho x và y là hai đại lượng tỉ lệ thuận với nhau hãy tìm a, b trong bảng sau:
a=15, b=26
a=10, b=39
a=10, b=28
a=9, b=30
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
80o
81o
82o
83o
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