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Logarithm 1

Authored by Towat Petpeng

Mathematics

8th Grade

Used 92+ times

Logarithm 1
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log232+log3 81 \log_232+\log_3\ 81\    มีค่าเท่ากับข้อใดต่อไปนี้   

-1

0

 32\frac{3}{2}  

9

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 logx3 13 \log_{\sqrt[3]{x}}\ \frac{1}{3}\   มีค่าเท่ากับข้อใดต่อไปนี้   

-1

 16-\frac{1}{6}  

 23-\frac{2}{3}  

 83\frac{8}{3}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log2[log3{log4(log52532)}]\log_2\left[\log_3\left\{\log_4\left(\log_525^{32}\right)\right\}\right]  มีค่าเท่ากับข้อใดต่อไปนี้ 

0

1

2

5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log216+log3 19+9log3 2\log_216+\log_3\ \frac{1}{9}+9^{\log_3\ 2}   ค่าเท่ากับข้อใดต่อไปนี้ 

1

2

4

6

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log35+log6log7+log10log3\log35+\log6-\log7+\log10-\log3   ค่าเท่ากับข้อใดต่อไปนี้ 

0

1

2

10

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log35log 74+log5\log35-\log\ \frac{7}{4}+\log5  ค่าเท่ากับข้อใดต่อไปนี้ 

0

1

2

10

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (logba)(logcb)(logac)\left(\log_ba\right)\left(\log_cb\right)\left(\log_ac\right)  มีค่าเท่ากับข้อใดต่อไปนี้   

1

 loga\log a  

 logb\log b  

 logc\log c  

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