Lecția 2 – MULȚIMEA NUMERELOR NATURALE

Urmărește lecția pas cu pas

Acceptă provocarea și rezolvă quiz-ul pregătit ca o recapitulare a lecției 2

Time limit: 0

Quiz-summary

0 of 10 questions completed

Questions:

1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10

Information

Pregătirea Evaluării Naționale – 2020

Girafone stolen all your pen reserves and you don’t have what it takes to write in class. Accept the challenge to get it back!

If you want to save your points and appear in the Kidibot charts, you must be logged in. Create here an acount or login.

You have already completed the quiz before. Hence you can not start it again.

Quiz is loading...

You must sign in or sign up to start the quiz.

You have to finish following quiz, to start this quiz:

Results

0 of 10 questions answered correctly

Your time:

Time has elapsed

You have reached 0 of 0 points, (0)

Average score
Your score

Categories

1. Not categorized 0%

• Unfortunately, you have not answered correctly enough often. So you did not get any points. Be more careful next time.

Create your KIDIBOT account. If you already have it, login. This way, you’ll not lose your points.

maximum of 10 points

Pos.	Name	Entered on	Points	Result
Table is loading
No data available

1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10

1. Answered
2. Review

1. Question 1 of 10

   1. Question

   1 points
   Rezultatul calculului ${\left(\sqrt{2^4}\right)}^2+\sqrt{2}·\sqrt{4}·\sqrt{8}$ este egal cu

   • $2^4+8$
   • $2^4+\sqrt{2·2^2·2^3}=2^4+\sqrt{2^5}$
   • $2^8+8$
   • $2^4+2^2$
   Correct
   

   Incorrect
   
2. Question 2 of 10

   2. Question

   1 points
   

   • $7^{38}$
   • 1
   • $7^{18}$
   • Nu are sens
   Correct
   

   Incorrect
   
3. Question 3 of 10

   3. Question

   1 points
   Dând factor comun în expresia   $23·12-12·6$, obținem

   • $12(23-6)$
   • 128
   • 23(12-6)
   • $12(23+6)$
   Correct
   

   Incorrect
   
4. Question 4 of 10

   4. Question

   1 points
   Triplul numărului $3^{33}$ este egal cu

   • $3^{99}$
   • $9^{33}$
   • $3^{34}$
   • $3^{66}$
   Correct
   

   Incorrect
   
5. Question 5 of 10

   5. Question

   1 points
   Cel mai mare număr par de forma $\overline{abc}$ cu cifre diferite este

   • 987
   • 999
   • 986
   • 864
   Correct
   

   Incorrect
   
6. Question 6 of 10

   6. Question

   1 points
   Rezultatul calculului 4+20:2 este egal cu

   • 14
   • 10
   • 12
   • 16
   Correct
   

   Incorrect
   
7. Question 7 of 10

   7. Question

   1 points
   Rezultatul calculului $0^1+1^2+2^3$ este egal cu

   • $3^6$
   • 8
   • 9
   • 11
   Correct
   

   Incorrect
   
8. Question 8 of 10

   8. Question

   1 points
   În calculul $\sqrt{16}+\sqrt{25}·25$ prima dată efectuăm

   • $\sqrt{16}+\sqrt{25}$
   • $\sqrt{16+25}$
   • $\sqrt{16}și\sqrt{25}$
   • $25·25$
   Correct
   

   Incorrect
   
9. Question 9 of 10

   9. Question

   1 points
   Pătratul lui 4 este

   • $4^2$
   • $4^4$
   • 8
   • $4^3$
   Correct
   

   Incorrect
   
10. Question 10 of 10

    10. Question

    1 points
    $\overline{ab}=$

    • $10a·b$
    • $10·a+b$
    • $10·b+a$
    • $a+b$
    Correct
    

    Incorrect