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radicali

Authored by Paun Mihai

Mathematics

7th Grade

Used 2+ times

radicali
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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rezultatul calculului:  16 \sqrt{16\ }  este:

8

4

2

1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Rezultatul calculului 302−242 este:Rezultatul\ calculului\ \sqrt{30^2-24^2\ }este:  


324

6

36

18

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Rezultatul calculului 36+1281este: Rezultatul\ calculului\ \sqrt{36+12\sqrt{81}}este:\   

114

12

10

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Daca scoatem factorii de sub radical:  150 obtinem:Daca\ scoatem\ factorii\ de\ sub\ radical:\ \ \sqrt{150}\ obtinem:  


 353\sqrt{5}  

 656\sqrt{5}  

 565\sqrt{6}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Introducand factorii sub radical: 47   obtinem:Introducand\ factorii\ sub\ radical:\ 4\sqrt{7\ }\ \ obtinem:  

 28\sqrt{28}  

 112\sqrt{112}  

 2828  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Comparand a=43  si b= 52 obtinem:Comparand\ a=4\sqrt{3\ }\ si\ b=\ 5\sqrt{2}\ obtinem:  

a = b

a < b

a > b 

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Calculati (100−144)⋅(49−81)Calculati\ \left(\sqrt{100}-\sqrt{144}\right)\cdot\left(\sqrt{49}-\sqrt{81}\right)  

-4

4

-55

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