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calculs de logarithmes

Authored by agnes bernard

Mathematics

2nd Grade

Used 8+ times

calculs de logarithmes
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10 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Que vaut log3 27\log_{3\ }27  

 33 3^{3\ }  

 33  

 13\frac{1}{3}  

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Que vaut log3  127\log_{3\ }\ \frac{1}{27}  

 13 \frac{1}{3\ }  

 33  

 3-3  

 33 3^{-3\ }  

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Que vaut log5  5\log_{5\ }\ \sqrt{5}  

 12\frac{1}{2}  

 22  

 2-2  

 aucune de ces reˊponsesaucune\ de\ ces\ réponses  

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Que vaut log25  5\log_{25\ }\ 5  

 22  

 12\frac{1}{2}  

 2-2  

 12-\frac{1}{2}  

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Que vaut log12  32\log_{\frac{1}{2}\ }\ 32  

 55  

 15\frac{1}{5}  

 5-5  

 15-\frac{1}{5}  

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Que vaut log2  32²\log_{2\ }\ 32²  

 1010  

 77  

 5²  

 3232  

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Que vaut log0.5  0.5\log_{0.5\ }\ 0.5  

 00  

 11  

 0.50.5  

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