Scădem și adunăm felii…

10 bonus points

1 successes

English

Acest quiz te ajută să exersezi adunarea și scăderea fracțiilor. SUCCES !!!

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Question 1 of 10

1. Question
1 points
Înlocuiește-l pe z cu numărul potrivit, pentru ca egalitatea să fie adevărată $\frac{90}{100} - \frac{z}{100} = \frac{40}{100}$
- 0
- 50
- 60
- 20
Correct

Incorrect
Question 2 of 10

2. Question
1 points
Scrie fracția $\frac{9}{10}$ ca diferență de trei fracții
- $\frac{11}{10} - \frac{3}{10} - \frac{1}{10}$
- $\frac{13}{10} - \frac{1}{10} - \frac{1}{10}$
- $\frac{11}{100} - \frac{1}{10} - \frac{1}{10}$
- $\frac{11}{10} - \frac{1}{10} - \frac{1}{10}$
Correct

Incorrect
Question 3 of 10

3. Question
1 points
Efectuează: $\frac{14}{8} - \frac{10}{8} = . . . \frac{5}{7} - \frac{4}{7} = . . . \frac{11}{4} - \frac{9}{4} =$
- $\frac{4}{8}, \frac{9}{7}, \frac{2}{4}$
- $\frac{4}{8}, \frac{1}{7}, \frac{2}{4}$
- $\frac{4}{8}, \frac{1}{7}, \frac{3}{4}$
- $\frac{24}{8}, \frac{1}{7}, \frac{2}{4}$
Correct

Incorrect
Question 4 of 10

4. Question
1 points
Calculează sumele: $\frac{25}{100} + \frac{50}{100} = . . .$
- $\frac{75}{0}$
- $\frac{25}{100}$
- $\frac{75}{10}$
- $\frac{75}{100}$
Correct

Incorrect
Question 5 of 10

5. Question
1 points
Efectuează? $\frac{4}{9} + \frac{7}{9} = . . . . \frac{5}{100} + \frac{20}{100} = . . . . \frac{100}{200} + \frac{80}{200} = . . .$
- $\frac{11}{9}, \frac{25}{100}, \frac{180}{200}$
- $\frac{11}{9}, \frac{5}{100}, \frac{180}{200}$
- $\frac{11}{0}, \frac{25}{0}, \frac{180}{0}$
- $\frac{21}{9}, \frac{25}{100}, \frac{180}{200}$
Correct

Incorrect
Question 6 of 10

6. Question
1 points
Calculează: $\frac{25}{100} + \frac{75}{100} - \frac{50}{100}$
- $\frac{50}{0}$
- $\frac{50}{100}$
- $\frac{5}{100}$
- $\frac{0}{100}$
Correct

Incorrect
Question 7 of 10

7. Question
1 points
Efectuează: $\frac{15}{10} - \frac{12}{10} = . . . \frac{17}{9} - \frac{10}{9} = . . . \frac{80}{100} - \frac{50}{100} = . . .$
- $\frac{3}{0}, \frac{7}{9}, \frac{30}{0}$
- $\frac{3}{10}, \frac{7}{0}, \frac{30}{100}$
- $\frac{3}{10}, \frac{7}{9}, \frac{30}{100}$
- $\frac{3}{0}, \frac{7}{0}, \frac{30}{0}$
Correct

Incorrect
Question 8 of 10

8. Question
1 points
Efectuează: $\frac{100}{100} - \frac{10}{100} - \frac{20}{100} - \frac{30}{100}$
- $\frac{30}{100}$
- $\frac{4}{10}$
- $\frac{40}{0}$
- $\frac{40}{100}$
Correct

Incorrect
Question 9 of 10

9. Question
1 points
Înlocuiește-l pe Y cu numere potrivite, pentru ca egalitatea să fie adevărată $\frac{5}{10} - \frac{y}{10} = \frac{3}{10}$
- 10
- 2
- 8
- 1
Correct

Incorrect
Question 10 of 10

10. Question
1 points
Efectuează: $\frac{10}{10} - \frac{2}{10} - \frac{4}{10} = . . . . .$
- $\frac{4}{10}$
- $\frac{4}{30}$
- $\frac{16}{20}$
- $\frac{5}{10}$
Correct

Incorrect

Examples of questions from "Scădem și adunăm felii…"

Efectuează: $\frac{10}{10} - \frac{2}{10} - \frac{4}{10} = . . . . .$
Efectuează? $\frac{4}{9} + \frac{7}{9} = . . . . \frac{5}{100} + \frac{20}{100} = . . . . \frac{100}{200} + \frac{80}{200} = . . .$
Calculează sumele: $\frac{25}{100} + \frac{50}{100} = . . .$