Search Header Logo

Toan 7: Luy thua so huu ti - Hai goc doi dinh

Authored by Cai Long

Mathematics

7th Grade

Used 42+ times

Toan 7: Luy thua so huu ti - Hai goc doi dinh
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (12)3=\left(-\frac{1}{2}\right)^3=  

1/8

-3/6

-3/2

-1/8

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (13)2+(25)3.125(9515)0=\left(-\frac{1}{3}\right)^2+\left(-\frac{2}{5}\right)^3.125-\left(-\frac{95}{15}\right)^0=  

-9/80

-80/9

-1/8

-8/9

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x:(13)2=13x:\left(\frac{1}{3}\right)^2=-\frac{1}{3}  
Khi đó x=

1/9

-1/27

-1/9

1/27

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Chọn câu trả lời đúng

(0,5)7=0,57\left(-0,5\right)^7=-0,5^7

(0,5)7=(0,5)7\left(-0,5\right)^7=-\left(-0,5\right)^7

(0,5)7=0,57-\left(-0,5\right)^7=-0,5^7

(0,5)8=0,58\left(-0,5\right)^8=-0,5^8

5.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

 27n.9n=927:8127^n.9^n=9^{27}:81  
Khi đó n=
(Viết kết quả dưới dạng số tự nhiên)

(a)  

6.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

 (13)n=81\left(\frac{1}{3}\right)^n=81  
Khi đó số đối của n bằng:
Viết kết quả dưới dạng số nguyên

(a)  

7.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Biết 12+22+32+...+122=6501^2+2^2+3^2+...+12^2=650  
Tính:  22+42+62+...+242=2^2+4^2+6^2+...+24^2=  



(a)  

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Microsoft

Continue with Microsoft

or continue with

Facebook

Facebook

Apple

Apple

Others

Others

Already have an account?

Discover more resources for Mathematics