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liczby rzeczywiste

Authored by Iza Blaszkowska

Mathematics

1st - 6th Grade

Used 36+ times

liczby rzeczywiste
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20 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Oblicz  28+43162 82\frac{2^{8^{ }}+4^3}{16^2\ -8^2}  

 53\frac{5}{3}  

 2142^{-14}  

 35\frac{3}{5}  

 25\frac{2}{5}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

oblicz  (6 33)2\left(\sqrt{6\ }-3\sqrt{3}\right)^2  

33

  3312233-12\sqrt{2}  

15

 63186-3\sqrt{18}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

usuń niewymierność z mianownika 3+232\frac{\sqrt{3}+2}{\sqrt{3}-2}  

 33-3\sqrt{3}  

 6+43-6+4\sqrt{3}  

 53-5-\sqrt{3}  

 742-7-4\sqrt{2}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Wykonaj działania (x+1)2(x1)2+(x+2)2+(2x)2\left(x+1\right)^2-\left(x-1\right)^2+\left(x+2\right)^2+\left(2-x\right)^2  

 2x2+4x+82x^2+4x+8  

 2x2+82x^2+8  

 1010  

 x2+3x+4x^2+3x+4  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 383:(92)133^{\frac{8}{3}}:\left(\sqrt{9^2}\right)^{\frac{1}{3}}  

 323^2  

 333^3  

 33293^{\frac{32}{9}}  

 343^4  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Równość  m55=5+55\frac{m}{5-\sqrt{5}}=\frac{5+\sqrt{5}}{5}  zachodzi dla:

m=5

m=1

m=4

m=-5

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wskaż równość prawdziwą.

2562=(256)2-256^2=\left(-256\right)^2

(256)2=256\sqrt{\left(-256\right)}^2=-256

2563=(256)3256^3=\left(-256\right)^3

(256)13=(256)13\left(-256\right)^{\frac{1}{3}}=-\left(256\right)^{\frac{1}{3}}

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