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skupovi brojeva

Authored by Smilja Kozina

Mathematics

8th Grade

Used 15+ times

skupovi brojeva
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koliko je cijelih brojeva u ovom skupu?

 (3,0,2,0.5,42,25)\left(-3,0,\sqrt{2},0.5,\frac{4}{2},\sqrt{25}\right)  

5

3

4

1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koliko je iracionalnih brojeva u ovom skupu?

 (0,3,13,π,3,1.2,log2,42)\left(0,-3,\frac{1}{3},\pi,-\sqrt{3},1.2,\log2,\frac{\sqrt{4}}{2}\right)  

4

3

5

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Najmanji zajednički nazivnik razlomaka  26\frac{2}{6}  i  43\frac{4}{3}  je:

3

6

12

18

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Matematičkim znakovima zapiši: Broj 5 nije element skupa Z:

5Z5\in Z

5Z5\notin Z

5Z5\cup Z

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Skup svih realnih brojeva označavamo slovom

Q

N

Z

R

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kako decimalani broj 1.5 zapisujemo u obliku razlomka?

 510=12\frac{5}{10}=\frac{1}{2} 

 1510=32\frac{15}{10}=\frac{3}{2} 

 15100=320\frac{15}{100}=\frac{3}{20}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Broj je djeljiv s 5 ako mu je:

posljednja znamenka 5

posljednja znamenka 5 ili 0

posljednja znamenka 0

svaka znamenka 5 ili 0

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