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지수법칙(1), (2)

Authored by Miyoung Na

Mathematics

8th Grade

Used 6+ times

지수법칙(1), (2)
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6 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

다음 식을 간단히 하면?

 x3×x5x^3\times x^5  

 x2x^2  

 x8x^8  

 x15x^{15}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

다음 식을 간단히 하면?

 x2×y3×x4×y5x^2\times y^3\times x^4\times y^5  

 x6y8x^6y^8  

 x8y15x^8y^{15}  

 x14x^{14}  

 xy14xy^{14}  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 (a3)5\left(a^3\right)^5  을 간단히 하면?

 a8a^8  

 a15a^{15}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x3)4×(y2)4×(x4)2\left(x^3\right)^4\times\left(y^2\right)^4\times\left(x^4\right)^2  을 간단히 하면?

 x15y8x^{15}y^8  

 x12y16x^{12}y^{16} 

 x20y8x^{20}y^8  

 x96y8x^{96}y^8  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 23+23+23+23=2a2^3+2^3+2^3+2^3=2^a 
 23×23×23×23=2b2^3\times2^3\times2^3\times2^3=2^b  
위의 두 식을 만족시키는 자연수 a, b에 대하여 a+b의 값을 구하면?

13

15

17

24

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 83×42=2x8^3\times4^2=2^x  를 만족시키는 자연수  x의 값은?

5

13

24

36

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