Pierwiastki i potęgi

Pierwiastki i potęgi

7th - 8th Grade

20 Qs

quiz-placeholder

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Pierwiastki i potęgi

Pierwiastki i potęgi

Assessment

Quiz

Mathematics

7th - 8th Grade

Practice Problem

Medium

Created by

Barbara Łukasiewicz

Used 113+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Liczbę  50\sqrt{50}  można przedstawić w postaci:

 525\sqrt{2}  

 252\sqrt{5}  

 25225\sqrt{2}  

 2252\sqrt{25}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Liczbę  (23)2\left(2\sqrt{3}\right)^2  można zapisać w postaci

36

6

12

144

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Liczba jest równa

 1254525\frac{\sqrt{125}-\sqrt{45}}{2\sqrt{5}}  

1

2

40

 40\sqrt{40}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Liczba 420⋅ 230 jest równa:

430

270

850

8600

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Wynikiem działania jest

-3

-2

2

8

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Liczba  36271281253^6\cdot27^{12}\cdot81^{25}  jest równa:

 31423^{142}  

 3713^{71}  

 91429^{142}  

 9719^{71}  

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Wyrażenie (−2)·(−2)·(−2)·(−2)·(−2)·(−2) można zapisać w postaci:

−26

62

(−2)6

- 64

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