Cho tỉ lệ thức a/b=c/d.Khẳng định nào sau đây là đúng?

Seventh Grade Math Challenge

Quiz
•
Hien Ngoc
•
Others
•
7th Grade
•
Hard
Student preview

10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a+b/c+d
a/b=c/d=a+c/b+d
a/b=c/d=a+d/b+c
a/d=c/b
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho ad=bc và a;b;c;d #0.Khẳng định nào sau đây là sai?
a/c=b/d
a/b=c/d
d/c=b/a
a/b=d/c
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3:Có bao nhiêu đơn thức?
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bậc của đa thức:x^3-x^3+7x-9
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đa thức nào là đa thức một biến
27x^2-3y+15
2022x^3-x^2+15
5xy-x^3+1
xyz-2xy+5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tích của hai đơn thức 6x^2 và 2x
-12x^3
12x^3
12x^2
8x^3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common multiple of 4 and 6?
12
14
10
8
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