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Računanje s drugim i trećim korijenom

Authored by Draga Dolenec-Gashi

Mathematics

8th - 12th Grade

Used 9+ times

Računanje s drugim i trećim korijenom
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20 questions

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1.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Bez uporabe džepnog računala izračunaj   10156\sqrt{10}\cdot\sqrt{15}\cdot\sqrt{6}  



(a)  

2.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Bez uporabe džepnog računala izračunaj   15714523\sqrt{\frac{15}{7}}\cdot\sqrt{\frac{14}{5}}\cdot\sqrt{\frac{2}{3}}  



(a)  

3.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Bez uporabe džepnog računala izračunaj   153521\sqrt{15}\cdot\sqrt{35}\cdot\sqrt{21}  



(a)  

4.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Bez uporabe džepnog računala izračunaj   125422115:23\sqrt{\frac{125}{42}}\cdot\sqrt{\frac{21}{15}}:\sqrt{\frac{2}{3}}  



(a)  

5.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Uporabom formule za razliku kvadrata izračunaj bez džepnog računala    (3223)(32+23)\left(3\sqrt{2}-2\sqrt{3}\right)\cdot\left(3\sqrt{2}+2\sqrt{3}\right)  



(a)  

6.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Uporabom formule za razliku kvadrata izračunaj bez džepnog računala    (5335)(53+35)\left(5\sqrt{3}-3\sqrt{5}\right)\cdot\left(5\sqrt{3}+3\sqrt{5}\right)  



(a)  

7.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Uporabom odgovarajuće formule izračunaj bez džepnog računala    (123)2\left(\sqrt{12}-\sqrt{3}\right)^2  



(a)  

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