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Numere reale. Evaluare

Authored by MARIOARA BORAN

Mathematics

7th Grade

Used 9+ times

Numere reale. Evaluare
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18 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculând  92+122\sqrt{9^2+12^2}  se obtine


21

9

12

15

2.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

 352Q\frac{3\sqrt{5}}{2}\in Q  este o propozitie

Adevarata

Falsa

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 7 916=\sqrt{7\ \frac{9}{16}}=  

 34\sqrt{\frac{3}{4}}  

 11  

 114\frac{11}{4}  

 794\frac{\sqrt{79}}{4}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dintre numerele  232\sqrt{3}  și  323\sqrt{2}  mai mare este ..... .

 323\sqrt{2}  

 232\sqrt{3}  

 333\sqrt{3}  

 222\sqrt{2}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Introducând factorul sub radical, din  535\sqrt{3}  se obține ..... .

 8\sqrt{8}  

 15\sqrt{15}  

 75\sqrt{75}  

 50\sqrt{50}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Rezultatul calculului  9+16\sqrt{9+16}  este

5

25

7

 7\sqrt{7}  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Comparând numerele a=3 5\sqrt{5}  și b=7, obținem

a >>  b

a <<  b

a=b

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