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A gyökvonás azonosságai

Authored by Skultéty Katalin

Mathematics

11th Grade

Used 19+ times

A gyökvonás azonosságai
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33 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A  2\sqrt{2}  ...

racionális szám

irracionális szám

mindkettő

egyiksem

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Mivel egyenlő  ab\frac{\sqrt{a}}{\sqrt{b}}  ?

 ab\frac{a}{b}  

 ba\frac{b}{a}  

 ab\sqrt{\frac{a}{b}}  

 ba\sqrt{\frac{b}{a}}  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Mivel egyenlő a+b\sqrt{a+b} 

 a+b\sqrt{a}+\sqrt{b}  

 ab\sqrt{a}\sqrt{b}  

 a+ba+b  

egyiksem

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Mivel  18+850\sqrt{18}+\sqrt{8}-\sqrt{50}  egyenlő ?

0

 9×2+4×225×2\sqrt{9\times2}+\sqrt{4\times2}-\sqrt{25\times2}  

 32+22523\sqrt{2}+2\sqrt{2}-5\sqrt{2}  

 18+850\sqrt{18+8-50}  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 27\frac{2}{\sqrt{7}}  

Gyöktelenítsd a nevezőt!Mi lesz az eredmény?

 277\frac{2\sqrt{7}}{7}  

 272\sqrt{7}  

 277\frac{2\sqrt{7}}{\sqrt{7}}  

2

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