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Egzamin ósmoklasisty pierwiastki

Authored by Monika Butrymowska

Mathematics

7th Grade

Used 83+ times

Egzamin ósmoklasisty pierwiastki
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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 34×4 ×4\sqrt{3^4\times4\ }\times\sqrt{4}  

 3×4×23\times4\times2  

 3×43\times4  

 32×23^2\times2  

 32×43^2\times4  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Wartość którego wyrazenia jest różna od 6?

 2 ×18\sqrt{2\ }\times\sqrt{18}  

 2×3\sqrt{2}\times\sqrt{3}  

 12 ×3\sqrt{12\ }\times\sqrt{3}  

 2×3×2×3\sqrt{2\times3}\times\sqrt{2\times3}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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 Liczba 230 znajduje się na osi liczbowej między.Liczba\ \sqrt{230\ }znajduje\ się\ na\ osi\ liczbowej\ między.  

12 i 13

15 i 16

18 i 19

23 i 24

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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 Wyraz˙enie 232216  nie moz˙na zapisacˊ w postaci.Wyrażenie\ 2\sqrt{32}-2\sqrt{16\ }\ nie\ można\ zapisać\ w\ postaci. 

 8(22)8\left(2-\sqrt{2}\right)  

 8288\sqrt{2}-8  

 4(222)4\left(2\sqrt{2}-2\right)  

 2(424)2\left(4\sqrt{2}-4\right)  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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 Oblicz 4522025Oblicz\ \frac{\sqrt{45}-2\sqrt{20}}{2\sqrt{5}}  



 12-\frac{1}{2}  

 52\frac{\sqrt{5}}{2}  

 5\sqrt{5}  

 12\frac{1}{2}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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 Ile jest roˊwna wartoscˊ wyraz˙enia 26×3×3Ile\ jest\ równa\ wartosć\ wyrażenia\ \sqrt{2^6\times3}\times\sqrt{3}  

 3×6×33\times6\times3  

 23×32^3\times3  

 26×92^6\times9  

 6×36\times3  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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 Oblicz 27534812108Oblicz\ \frac{2\sqrt{75}-3\sqrt{48}}{\sqrt{12}-\sqrt{108}}  

 12-\frac{1}{2}  

 5\sqrt{5}  

 12\frac{1}{2}  

 252\sqrt{5}  

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