Numerele întregi nu iau vacanță!

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English

Operații cu numere întregi.

Nokko eat all the school library. Can you prove her that you are smarter?

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Question 1 of 10

1. Question
1 points
${(- 1)}^{125} + {(- 1)}^{2020} - 2020 =$
- -2021
- -2022
- -2018
- -2020
Correct

Incorrect
Question 2 of 10

2. Question
1 points
-7 : 7 + 15 : (-3) - (- 60) : (- 6) =
- - 12
- - 15
- + 4
- - 16
Correct

Incorrect
Question 3 of 10

3. Question
1 points
-4 + (-1 + 2 -3) $\cdot$ (-1) + 5 $\cdot$ (-2020) $\cdot$ 0 + 17 =
- - 15
- 2033
- + 15
- 2020
Correct

Incorrect
Question 4 of 10

4. Question
1 points
- (-5) - (- (-7)) =
- +2
- -12
- +12
- -2
Correct

Incorrect
Question 5 of 10

5. Question
1 points
Se dau următoarele numere întregi: -1, 9, +6, -8, -3, +12, -23. Dacă scriem aceste numere în ordine crescătoare vom obține:
- -1, -3, +6, -8, 9, +12, -23
- -23, -8, -3, -1, +6, + 12
- -1, -2, -3, -6. -8, +12
- -23, -8, -3, -1, +6, 9, +12
Correct

Incorrect
Question 6 of 10

6. Question
1 points
$||- 4| + |- 5|| - |||- 9| - 15| - 10| =$
- 25
- 13
- -13
- -12
Correct

Incorrect
Question 7 of 10

7. Question
1 points
11 $\cdot (- 3) + (- 2) \cdot (- 10) - (- 8) \cdot (- 5) =$
- -55
- + 27
- +55
- - 93
Correct

Incorrect
Question 8 of 10

8. Question
1 points
- (+8) +10 $\cdot (- 7 + 23 - 32) =$
- - 160
- +168
- +160
- -168
Correct

Incorrect
Question 9 of 10

9. Question
1 points
$|- 3 + 8 - 12| - |- 1| =$
- 7
- 8
- 6
- 5
Correct

Incorrect
Question 10 of 10

10. Question
1 points
${({(- 5)}^{7})}^{12} : {({(- 5)}^{20})}^{3} =$
- ${(- 5)}^{144}$
- $- 5^{24}$
- ${(- 5)}^{24}$
- ${(- 5)}^{20}$
Correct

Incorrect

Examples of questions from "Numerele întregi nu iau vacanță!"

- (-5) - (- (-7)) =
11 $\cdot (- 3) + (- 2) \cdot (- 10) - (- 8) \cdot (- 5) =$
-4 + (-1 + 2 -3) $\cdot$ (-1) + 5 $\cdot$ (-2020) $\cdot$ 0 + 17 =

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Numerele întregi nu iau vacanță!

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