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lũy thừa lớp 7

Authored by Phương Đinh

Mathematics

7th Grade

Used 108+ times

lũy thừa lớp 7
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13 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

viết số 25 dưới dạng lũy thừa. 

525^2

25025^0

535^3

 25125^1 

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 63.626^3.6^2 = ? 

 666^6  

 66  

 656^5  

 646^4  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 22.24.23=?2^2.2^4.2^3=?  

 282^8  

 292^9  

 2122^{12}  

 2242^{24}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 an.a2=?a^n.a^2=?  

 11  

 an+2a^n+2  

 a 2+na^{\ 2+n}  

 a2na^{2n}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 36:32=?3^6:3^2=?  

 343^4  

 333^3  

 323^2  

 383^8  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  x14\ x^{14}  là kết quả của phép tính nào? 


 x14: xx^{14}:\ x  

 x7.x2x^7.x^2  

 x8.x6x^8.x^6  

 x14. xx^{14}.\ x  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 103=?10^{-3}=?  

 10310-3  

 103\frac{10}{3}  

 1103\frac{1}{10^3}  

 103-10^3  

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