Matematică Clasa VII-a

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Question 1 of 10

1. Question
1 points
Rezultatul calcului $(\frac{8}{5 \sqrt{6}} - \frac{4}{\sqrt{24}} - \frac{16}{15 \sqrt{6}}) - (\frac{8}{3 \sqrt{54}} - \frac{6}{\sqrt{54}}) =$ este:
- $= - \frac{5 \sqrt{1}}{175}$
- $= - \frac{8 \sqrt{6}}{135}$
- = 0
- $= - \frac{86}{135}$
Correct

Incorrect
Question 2 of 10

2. Question
1 points
Calculați: $1 \frac{1}{4} - \frac{2}{7} + 3 \frac{1}{2} - \frac{3}{14} =$
- $= \frac{1}{4}$
- $= 4 \frac{1}{4}$
- $4$
- $= 4 \frac{9}{2}$
Correct

Incorrect
Question 3 of 10

3. Question
1 points
Efectuați următorul calcul: $x - \frac{1}{2} = - 1 \frac{1}{4}$
- $x = \frac{8}{8}$
- $y = - \frac{3}{4}$
- $x = - \frac{3}{4}$
- $x = \frac{2}{7}$
Correct

Incorrect
Question 4 of 10

4. Question
1 points
Calculează: $\frac{1}{2} \cdot 1 \frac{4}{3} =$
- $= 2 \frac{6}{2}$
- $= 7 \frac{3}{8}$
- $= 1 \frac{1}{6}$
- $= 1 \frac{2}{7}$
Correct

Incorrect
Question 5 of 10

5. Question
1 points
Efectuați: $12 * (x - 3) = 96 $
- X = 5
- X = 56
- X = 11
- X = 18
Correct

Incorrect
Question 6 of 10

6. Question
1 points
Rezolvați următoarea inecuație: $- x + 3 > 2 x + 1$
- $x < \frac{2}{3}$
- $x \leq \frac{2}{3}$
- $x > \frac{2}{3}$
- $x \geq \frac{2}{3}$
Correct

Incorrect
Question 7 of 10

7. Question
1 points
Calculați: $\frac{x}{64} = \frac{625}{43}$
- $x = \frac{403453}{4564}$
- $x = \frac{460}{433}$
- $x = \frac{43890}{687}$
- $x = \frac{40000}{43}$
Correct

Incorrect
Question 8 of 10

8. Question
1 points
Rezultatul calculului $2^{35} \div 2^{32} - 2^{0}$ este:
- 6
- 7
- 2
- 5
Correct

Incorrect
Question 9 of 10

9. Question
1 points
Rezolvați următoarea fracție: $\frac{29}{70} - (- \frac{5}{35}) =$
- $= - \frac{38}{78}$
- $= - \frac{39}{70}$
- $= \frac{39}{70}$
- $= \frac{1}{25}$
Correct

Incorrect
Question 10 of 10

10. Question
1 points
Rezolvați următorul calcul: $12 - 3 \frac{3}{5} - \frac{24}{25} =$
- $= 1 \frac{7}{267}$
- $= 8 \frac{61}{85}$
- $= 7 \frac{11}{25}$
- $= 75 \frac{671}{2512}$
Correct

Incorrect

Examples of questions from "Matematică Clasa VII-a"

Rezultatul calculului $2^{35} \div 2^{32} - 2^{0}$ este:
Calculați: $1 \frac{1}{4} - \frac{2}{7} + 3 \frac{1}{2} - \frac{3}{14} =$
Efectuați următorul calcul: $x - \frac{1}{2} = - 1 \frac{1}{4}$

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