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DIGITALIADA VII. Mulțimea numerelor reale

Authored by Szász Szilárd

Mathematics

7th Grade

Used 19+ times

DIGITALIADA VII. Mulțimea numerelor reale
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18 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Alegeți propoziția adevărată:

2 ∊ ℕ

-3 ∉ ℕ

1,3 ∊ ℝ

4 ∊ ℚ

√12 ∊ ℚ

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Numere iraționale din A sunt ...

1,2(8); -3,2; -5; 2;

-3,2; -5; 2; √1;

√6; 2√2;

√6; 2√2; √1;

1,2(8); -3,2; -5; 2; √1;

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

B ∩ ℚ = ...

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

{2; 5; 8}

{7}

{5}

{4; 8}

{0; 9}

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

√144 = ...

12

11

13

14

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

√3481 = ...

81

59

69

61

51

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

√215 cu 2 zecimale este ...

15,86

15,46

14,58

13,67

14,66

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