Testul nr 17 PROPORȚII

30 bonus points

0 successes

English

Pregătirea Evaluării Naționale 2020- MATEMATICĂ- Lecția 9

Megalix conceived a plan to paralyze all education in the country. They will throw with giant space rocks towards all the schools. It will be a disaster. Victimes, chaos. You have to stop them. Good luck!

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
$\frac{2 x - 4}{14} = \frac{5}{7}$ . Atunci x este egal cu
- 4
- 7
- 5
- 2
Correct

Incorrect
Question 2 of 10

2. Question
1 points
Aflați numărul de forma $a b$ știind că $\frac{a - b}{a + b} = 0, 1 (6)$
- 57
- Nu există
- 75
- 12
Correct

Incorrect
Question 3 of 10

3. Question
1 points
$\frac{x}{y} = \frac{4}{5}$ . Atunci 10x-8y+5 are valoarea
- 5
- 7
- 8
- 10
Correct

Incorrect
Question 4 of 10

4. Question
1 points
Câte numere de forma $a b$ există, știind că $\frac{2}{a} = \frac{3}{b}$ ?
- 2
- 4
- O infinitate
- Nu există
Correct

Incorrect
Question 5 of 10

5. Question
1 points
$\frac{a}{b} = \frac{1}{2}, \frac{b}{c} = \frac{2}{3}$ . Atunci $\frac{a}{c}$ are valoarea
- Nu se poate calcula
- 0,(3)
- $\frac{3}{5}$
- 1
Correct

Incorrect
Question 6 of 10

6. Question
1 points
$\frac{3 a}{b} = \frac{b}{3}$ . Atunci $2 b^{2} - 18 a + 16$ este egal cu
- 16
- Nu se poate calcula
- 32
- 0
Correct

Incorrect
Question 7 of 10

7. Question
1 points
$\frac{2 a}{5 b} = \frac{5 b}{2 a}$ . Atunci $\frac{a^{4}}{b^{4}}$ este egal cu
- $\frac{2}{5}$
- $\frac{5}{2}$
- $\frac{25}{4}$
- $\frac{625}{16}$
Correct

Incorrect
Question 8 of 10

8. Question
1 points
$\frac{x}{2} = \frac{2}{y}$ . Calculați $\frac{x y}{2}$
- 4
- 2
- 8
- Alt răspuns
Correct

Incorrect
Question 9 of 10

9. Question
1 points
$\frac{a}{3 b} = \frac{5}{9}$ . Atunci $\frac{3 a}{b}$ este egal cu
- $\frac{5}{3}$
- 15
- 5
- $\frac{9}{5}$
Correct

Incorrect
Question 10 of 10

10. Question
1 points
Dacă $\frac{x - 10}{15} = \frac{3}{5}$ . Atunci 2x-5 are valoarea
- 33
- 19
- 14
- 25
Correct

Incorrect

Examples of questions from "Testul nr 17 PROPORȚII"

Câte numere de forma $a b$ există, știind că $\frac{2}{a} = \frac{3}{b}$ ?
$\frac{a}{3 b} = \frac{5}{9}$ . Atunci $\frac{3 a}{b}$ este egal cu
$\frac{3 a}{b} = \frac{b}{3}$ . Atunci $2 b^{2} - 18 a + 16$ este egal cu

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

Testul nr 17 PROPORȚII

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 "Testul nr 17 PROPORȚII"

Small Battles

Main Partner:

Supporters:

Average score
Your score

Testul nr 17 PROPORȚII

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 "Testul nr 17 PROPORȚII"

Kidibot recommends you also:

Matematică cu L.O.L clasa întâi

Wo ist Papa?

Numere naturale de la 0 la 20

Small Battles

Main Partner:

Supporters: