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Pierwiastki kl 7

Authored by Justyna Chudy

Mathematics

7th Grade

Used 204+ times

Pierwiastki kl 7
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 64\sqrt{64}  wynosi

32

16

8

4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 0,81\sqrt{0,81}  to:

nie istnieje

9

0,09

0,9

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 100  25\sqrt{100}\ -\ \sqrt{25}  wynosi:

 75\sqrt{75}  

75

5

25

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (35 + 155 ): 6 =\left(3\sqrt{5}\ +\ 15\sqrt{5\ }\right):\ 6\ =  

 353\sqrt{5}  

 323\sqrt{2}   

 185  18\sqrt{5\ }\   

 3103\sqrt{10}   

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wyciągnij czynnik przed pierwiastek 24\sqrt{24}  

 626\sqrt{2}   

 646\sqrt{4}  

 464\sqrt{6}  

 262\sqrt{6}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 153 \sqrt{15}\cdot\sqrt{3}\   =

 353\sqrt{5}   

 959\sqrt{5}  

 40\sqrt{40}  

45

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wciągnij liczbę pod pierwiastek 636\sqrt{3}  

 63 = 18\sqrt{6\cdot3}\ =\ \sqrt{18}  

 363 = 108\sqrt{36}\cdot\sqrt{3}\ =\ \sqrt{108}  

 36 + 3 = 39\sqrt{36\ +\ 3}\ =\ \sqrt{39}  

 6+3 = 9 = 3\sqrt{6+3}\ =\ \sqrt{9}\ =\ 3  

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