
Chương II-M7: tỉ lệ thức và GTTĐ

Quiz
•
Mathematics
•
7th Grade
•
Medium
Đỗ Loan
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1. Cho a / b = c / d (a, b, c, d ≠ 0) điều nào sau đây không đúng?
A. ad = bc;
B. ab = cd;
C. a/c=b/d
D. c/a=d/b⋅
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4. Cho tỉ lệ thức giá trị của x là:
A. -4/3
B. 4;
C. - 12;
D. - 10.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5. Giá trị nào của x trong tỉ lệ thức là?
A. - 0,08;
B. - 0,06;
C. 2/25;
D. 4/9.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6. Thay tỉ số 1,2 : 1,35 bằng tỉ số giữa các số nguyên ta được:
A. 50 : 81;
B. 8 : 9;
C. 81 : 50;
D. 9 : 8.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
C
D
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