Operații cu numere raționale – [2]

25 bonus points

24 successes

English

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

Captain Spike through with hypnotic slime on your colleagues brain. Show that you’re not affected.

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Question 1 of 10

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

Incorrect
Question 2 of 10

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

Incorrect
Question 3 of 10

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

Incorrect
Question 4 of 10

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

Incorrect
Question 5 of 10

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

Incorrect
Question 6 of 10

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

Incorrect
Question 7 of 10

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

Incorrect
Question 8 of 10

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

Incorrect
Question 9 of 10

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

Incorrect
Question 10 of 10

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

Incorrect

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

${(- \frac{1}{2})}^{5} =$
${[{(- \frac{2}{5})}^{6}]}^{13} =$
$\frac{3}{4} : (- \frac{9}{16}) + (- \frac{1}{5}) : (+ \frac{11}{15}) =$

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Operații cu numere raționale – [2]

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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]"

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