Pierwiastki klasa 7

Pierwiastki klasa 7

7th Grade

10 Qs

quiz-placeholder

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Pierwiastki klasa 7

Pierwiastki klasa 7

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Created by

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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Która równość jest prawdziwa?

4981=781\sqrt{\frac{49}{81}}=\frac{7}{81}

1,96=1,4\sqrt{1,96}=1,4

0,64=0,08\sqrt{0,64}=0,08

144169=1113\sqrt{\frac{144}{169}}=\frac{11}{13}

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Pierwiastek  1 916\sqrt{1\ \frac{9}{16}}  jest równy

 2532\frac{25}{32}  

 2516\frac{25}{16}  

 45\frac{4}{5}  

 54\frac{5}{4}  

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Bok kwadratu, którego pole wynosi 900 m2 ma długość:

30 cm

3 dm

30 m

300 m

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Które obliczenia wykonano poprawnie?

314431000=1,2\frac{^3\sqrt{144}}{^3\sqrt{1000}}=1,2

32731000=310\frac{^3\sqrt{27}}{^3\sqrt{1000}}=\frac{3}{10}

312549=57\frac{^3\sqrt{-125}}{49}=-\frac{5}{7}

3647=1 17\frac{^3\sqrt{64}}{7}=1\ \frac{1}{7}

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Wartością wyrażenia  6  272\frac{\sqrt{6}\ \cdot\ \sqrt{27}}{\sqrt{2}}  jest liczba

9

3

19

 3383\frac{3}{8}  

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Liczba  27933  (13)2\sqrt{2\frac{7}{9}}\cdot3^3\ -\ \left(\frac{1}{3}\right)^2  jest równa

 448944\frac{8}{9}  

 44 2344\ \frac{2}{3}  

 45 1945\ \frac{1}{9}  

 14 5614\ \frac{5}{6}  

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Liczbę  72\sqrt{72}  można zapisać jako:

 262\sqrt{6}  

 626\sqrt{2}  

 36236\sqrt{2}  

 2362\sqrt{36}  

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