
Tỉ lệ thức
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Thanh Thủy
Used 2+ times
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
x = 14
x = 42
x = 18/7
x = 21/6
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
81
18
-18
-81
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Tính chất 1 của tỉ lệ thức phát biểu điều gì ?
Nếu thì a.c = b.d
Nếu thì a.b = c.d
Nếu thì a : c = d : b
Nếu thì a.d = b.c
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Áp dụng tính chất 2 của tỉ lệ thức, nếu x . 4 = y. 3 thì có thể suy ra tỉ lệ thức nào sau đây ?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tỉ lệ thức là:
đẳng thức của hai tỉ số
là bất đẳng thức của hai thương số
Tất cả đáp án trên
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm x biết:
x = 5
x = 3
x = 1/3
x = 1/5
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