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Działania na pierwiastkach

Authored by Agnieszka Rojak

Mathematics

8th Grade

Used 488+ times

Działania na pierwiastkach
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Wyłącz czynnik przed symbol pierwiastka  50\sqrt{50}  

 25225\sqrt{2}  

 525\sqrt{2}  

 252\sqrt{5}  

 5105\sqrt{10}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oblicz  35637=\frac{^3\sqrt{56}}{^3\sqrt{7}}=  

 22  

 32^3\sqrt{2}  

 8\sqrt{8}  

 88  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oblicz:  28=\sqrt{2}\cdot\sqrt{8}=  

 1616  

 88  

 44  

 22  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Określ prawdziwość zdania:  15=53\sqrt{15}=\sqrt{5}\cdot\sqrt{3}  

Prawda

Fałsz

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Określ prawdziwość zdania:  3 = 2:23\sqrt{3}\ =\ \sqrt{2}:\sqrt{\frac{2}{3}}  

Prawda

Fałsz

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oblicz:  4+5=\sqrt{4}+\sqrt{5}=  

 252\sqrt{5}  

 9\sqrt{9}  

 2+52+\sqrt{5}  

 33  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oblicz:  321=\sqrt{3}\cdot\sqrt{21}=  


 3213\sqrt{21}  

 373\sqrt{7}  

 (63)2\left(\sqrt{63}\right)^2  

 6363  

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