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racines carrées

Authored by Stella Murat

Mathematics

9th Grade

Used 43+ times

racines carrées
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8 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Quelle est la valeur exacte de  5\sqrt{5}  

5

25

2,236067

 5\sqrt{5}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 13\sqrt{13}  est environ égal à 

5,6

2,6

3,1

3,6

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 50\sqrt{50}  est égal à

 252\sqrt{5}  

 25225\sqrt{2}  

 525\sqrt{2}  

7,07

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 a2 \sqrt{a^2}\   est égal à

a

-a

 a\left|a\right|  

 a4a^4  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplifier: 5018\sqrt{50}-\sqrt{18}  

 32\sqrt{32}  

 424\sqrt{2}  

 222\sqrt{2}  

impossible de calculer

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculer: (51)2\left(\sqrt{5}-1\right)^2  

 6256-2\sqrt{5}  

4

16

 4254-2\sqrt{5}  

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 5.27.15\sqrt{5}.\sqrt{27}.\sqrt{15}  Calculer

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