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Seventh Grade Math Challenge

Authored by Hien Ngoc

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7th Grade

Seventh Grade Math Challenge
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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

Media Image

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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