Operații cu numere raționale – [2]

25 bonus points

0 successes

English

Partea a doua a exercițiilor ce necesită operații în mulțimea numerelor raționale și mai ales a celor negative.

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

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

Question 1 of 10

1. Question
1 points
${(- 13 + 1234 - 76^{8} + 12^{234})}^{0} =$
- 1234
- 0
- -13
- 1
Correct

Incorrect
Question 2 of 10

2. Question
1 points
${[{(- \frac{2}{5})}^{6}]}^{13} =$
- ${(- \frac{2}{5})}^{78}$
- ${(- \frac{2}{5})}^{87}$
- $- \frac{2}{78}$
- ${(- \frac{3}{5})}^{68}$
Correct

Incorrect
Question 3 of 10

3. Question
1 points
${(- \frac{1}{2})}^{5} =$
- -1
- $- \frac{1}{32}$
- $+ \frac{1}{16}$
- $- \frac{5}{32}$
Correct

Incorrect
Question 4 of 10

4. Question
1 points
$\frac{3}{4} : (- \frac{9}{16}) + (- \frac{1}{5}) : (+ \frac{11}{15}) =$
- $- \frac{54}{33}$
- $\frac{11}{33}$
- $- \frac{52}{33}$
- $- \frac{53}{33}$
Correct

Incorrect
Question 5 of 10

5. Question
1 points
$1 - \frac{1}{2} \cdot \frac{1}{3} =$
- $\frac{5}{6}$
- $\frac{1}{2}$
- $- \frac{5}{6}$
- $\frac{6}{5}$
Correct

Incorrect
Question 6 of 10

6. Question
1 points
${(\frac{1}{2})}^{0} + {(\frac{1}{2})}^{1} + {(\frac{1}{2})}^{2} + {(\frac{1}{2})}^{3} + {(\frac{1}{2})}^{4} + {(\frac{1}{2})}^{5} =$
- $\frac{63}{16}$
- 1
- $\frac{63}{32}$
- ${(\frac{1}{2})}^{15}$
Correct

Incorrect
Question 7 of 10

7. Question
1 points
$- \frac{1}{4} \cdot \frac{12}{13} =$
- -3
- -1
- $\frac{3}{13}$
- $- \frac{3}{13}$
Correct

Incorrect
Question 8 of 10

8. Question
1 points
${(- \frac{2}{3})}^{4} \cdot {(- \frac{2}{3})}^{16} \cdot {(\frac{2}{3})}^{7} =$
- ${(\frac{2}{3})}^{27}$
- $\frac{2}{3}$
- ${(- \frac{2}{3})}^{21}$
- ${(- \frac{2}{3})}^{27}$
Correct

Incorrect
Question 9 of 10

9. Question
1 points
$3 - 1 \frac{1}{3} : \frac{1}{3} - (- \frac{1}{3} - \frac{2}{3}) =$
- $0$
- $\frac{1}{3}$
- $3$
- $\frac{4}{3}$
Correct

Incorrect
Question 10 of 10

10. Question
1 points
$1 \frac{2}{3} : (- \frac{5}{6}) =$
- - 2
- $- \frac{1}{2}$
- + 2
- $- \frac{2}{13}$
Correct

Incorrect

Examples of questions from "Operații cu numere raționale – [2]"

$1 \frac{2}{3} : (- \frac{5}{6}) =$
${[{(- \frac{2}{5})}^{6}]}^{13} =$
$3 - 1 \frac{1}{3} : \frac{1}{3} - (- \frac{1}{3} - \frac{2}{3}) =$

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

Operații cu numere raționale – [2]

Quiz-summary

Information

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question

Examples of questions from "Operații cu numere raționale – [2]"

Small Battles

Main Partner:

Supporters:

Average score
Your score

Operații cu numere raționale – [2]

Quiz-summary

Information

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question

Examples of questions from "Operații cu numere raționale – [2]"

Kidibot recommends you also:

La arat – de Otilita Cazimir

Intrebari cu chichirez

Despărțirea cuvintelor în silabe – [6]

Small Battles

Main Partner:

Supporters: