Pierwiastki i potęgi- powtórzenie klasa 8

Pierwiastki i potęgi- powtórzenie klasa 8

7th - 8th Grade

12 Qs

quiz-placeholder

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Pierwiastki i potęgi- powtórzenie klasa 8

Pierwiastki i potęgi- powtórzenie klasa 8

Assessment

Quiz

Mathematics

7th - 8th Grade

Hard

Created by

Katarzyna Świątkowska

Used 70+ times

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12 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Liczba  42536\sqrt{4\frac{25}{36}}  jest równa

 53\frac{5}{3}  

 2562\frac{5}{6}  

 2162\frac{1}{6}  

 106\frac{10}{6}  

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Liczba  4124\sqrt{12}  jest równa

 48\sqrt{48}  

 434\sqrt{3}  

 838\sqrt{3}  

 12212\sqrt{2}  

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Jeśli  x=537, y=4+27x=5-3\sqrt{7},\ y=4+2\sqrt{7}  , to liczba x +y jest równa

 171-\sqrt{7}  

 1571-5\sqrt{7}  

 979-\sqrt{7}  

 1+571+5\sqrt{7}  

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Najmniejszą spośród liczb:  53, 47, 82, 3115\sqrt{3},\ 4\sqrt{7},\ 8\sqrt{2},\ 3\sqrt{11}  jest

 535\sqrt{3}  

 474\sqrt{7}  

 828\sqrt{2}  

 3113\sqrt{11}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Wartość, którego wyrażenia jest różna od 8?

128: 2\sqrt{128}:\ \sqrt{2}

322\sqrt{32}\cdot\sqrt{2}

32+32\sqrt{32}+\sqrt{32}

12864\sqrt{128-64}

6.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

 Oblicz 27531223\frac{2\sqrt{75}-3\sqrt{12}}{2\sqrt{3}} .
Sam wynik wpisz poniżej.

7.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Oblicz:  27534812108\frac{2\sqrt{75}-3\sqrt{48}}{\sqrt{12}-\sqrt{108}}  

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