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Teza 7 -S1

Authored by t t

Mathematics

7th Grade

15 Questions

Used 5+ times

Teza 7 -S1
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Radacina patrata a numarului 144 este:

11

12

13

14

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rezultatul calculului 
 81+7216\sqrt{81}+\sqrt{7^2}-\sqrt{16}  
este egal cu:

12 

 114\sqrt{114}  

13

 101\sqrt{101}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Rationalizand   numitorul93Rationalizand\ \ \ numitorul\frac{9}{\sqrt{3}}  
obtinem:

 3\sqrt{3}  

 232\sqrt{3}  

 333\sqrt{3}  

 939\sqrt{3}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dintre numerele 
 72 ,  10  ,  37 ,  637\sqrt{2}\ ,\ \ 10\ \ ,\ \ 3\sqrt{7}\ ,\ \ 6\sqrt{3}  
cel mai mare este:

 727\sqrt{2}  

10

 373\sqrt{7}  

 636\sqrt{3}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rezultatul calculului
 32+83\sqrt{2}+\sqrt{8}  
este   egal  cu :

 3103\sqrt{10}  

 30\sqrt{30}  

 525\sqrt{2}  

Nu se poate calcula

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media geometrica a numerelor 12 si 3 este egala cu:

15

9

6

4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Rezultatul calculului 
 224(3623)2\sqrt{24}\cdot\left(\frac{3}{\sqrt{6}}-\frac{\sqrt{2}}{\sqrt{3}}\right)  
este  egal  cu :

2

4

6

8

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