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radicali

Authored by Gabriela ionica

Mathematics

7th Grade

Used 5+ times

radicali
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 202+152\sqrt{20^2+15^2}  

25

30

35

45

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2813642\sqrt{81}-3\sqrt{64}  

-6

6

-17

12

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Dupa˘ scoaterea factorilor de sub radical, din 150 obținem:După\ scoaterea\ factorilor\ de\ sub\ radical,\ din\ \sqrt{150}\ obținem:  

 565\sqrt{6}  

 656\sqrt{5}  

 535\sqrt{3}  

75

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 342\sqrt{3^4\cdot2}  

dacă scoatem factorii de sub radical , obținem:

 323\sqrt{2}  

 929\sqrt{2}  

 626\sqrt{2}  

 162\sqrt{162}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dintre numerele 262\sqrt{6}   și 5, mai mare este:

 262\sqrt{6}  

5

numerele sunt egale

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ordonați crescător numerele:
 7, 211, 43, 35;7,\ 2\sqrt{11},\ 4\sqrt{3},\ 3\sqrt{5};  

 7, 211, 43, 35;7,\ 2\sqrt{11},\ 4\sqrt{3},\ 3\sqrt{5};  

 211, , 35, 43,7 2\sqrt{11},\ ,\ 3\sqrt{5},\ 4\sqrt{3},7\   

 43, 211,7,354\sqrt{3},\ 2\sqrt{11},7,3\sqrt{5}  

 35, 43, 211, 73\sqrt{5},\ 4\sqrt{3},\ 2\sqrt{11},\ 7  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (26)2\sqrt{\left(2-\sqrt{6}\right)^2}  

-2

2

 262-\sqrt{6}  

 62\sqrt{6}-2  

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