− 1 2 − 1 3 − 1 6 = ? -\frac{1}{2}-\frac{1}{3}-\frac{1}{6}=? − 2 1 − 3 1 − 6 1 = ?

− 1 11 -\frac{1}{11} − 1 1 1

KHỞI ĐỘNG: bài tập trắc nghiệm 10 câu lớp 7

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Những số nguyên nào sau đây là ước của 7?

-1; -7

1; 7

-7; -1; 1; 7

7; 14

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2x + 5 = x + 7

x = 1

x = 2

x = 3

x = 4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\frac{1}{2}+\frac{3}{6}=?$

1

2

$\frac{2}{8}$

$\frac{4}{8}$

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hai góc kề bù có ttổng số đo bằng bao nhiêu độ?

$60^0$

$90^0$

$120^0$

$180^0$

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nếu (x-1).(x-2) = 0 thì phương án nào dưới đây đúng và đầy đủ nhất?

x = 1

x = 2

x = 3

x = 1 hoặc x = 2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$Cho\ :\ y\ =f\left(x\right)=-4x^3+x$ thì $f\left(0\right)=?$

0

1

-4

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$Cho\ :\ y\ =\ f\left(x\right)=2x^2+1\$ khi đó f(2) =?

7

5

9

223

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$2\frac{2}{5}+3\frac{3}{5}=?$

2

$23\frac{5}{5}$

1

6

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$-2\frac{3}{7}-4\frac{4}{7}=?$

-6

7

-7

$6\frac{7}{7}$

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$-\frac{1}{2}-\frac{1}{3}-\frac{1}{6}=?$

1

$-\frac{1}{11}$

$\frac{3}{6}$

-1

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KHỞI ĐỘNG

Những số nguyên nào sau đây là ước của 7?

2x + 5 = x + 7

12+36=?\frac{1}{2}+\frac{3}{6}=?21​+63​=?

Hai góc kề bù có ttổng số đo bằng bao nhiêu độ?

Nếu (x-1).(x-2) = 0 thì phương án nào dưới đây đúng và đầy đủ nhất?

Cho : y =f(x)=−4x3+xCho\ :\ y\ =f\left(x\right)=-4x^3+xCho : y =f(x)=−4x3+x thì f(0)=?f\left(0\right)=?f(0)=?

Cho : y = f(x)=2x2+1 Cho\ :\ y\ =\ f\left(x\right)=2x^2+1\ Cho : y = f(x)=2x2+1 khi đó f(2) =?

225+335=?2\frac{2}{5}+3\frac{3}{5}=?252​+353​=?

−237−447=?-2\frac{3}{7}-4\frac{4}{7}=?−273​−474​=?

−12−13−16=?-\frac{1}{2}-\frac{1}{3}-\frac{1}{6}=?−21​−31​−61​=?

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$\frac{1}{2}+\frac{3}{6}=?$

$Cho\ :\ y\ =f\left(x\right)=-4x^3+x$ thì $f\left(0\right)=?$

$Cho\ :\ y\ =\ f\left(x\right)=2x^2+1\$ khi đó f(2) =?

$2\frac{2}{5}+3\frac{3}{5}=?$

$-2\frac{3}{7}-4\frac{4}{7}=?$

$-\frac{1}{2}-\frac{1}{3}-\frac{1}{6}=?$