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radicali

Authored by Dana Barboianu

Mathematics, Fun

1st - 4th Grade

CCSS covered

Used 2+ times

radicali
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22 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dintre numerele  23 2\sqrt{3}\   și  323\sqrt{2}  mai mare este

 323\sqrt{2}  

 232\sqrt{3}  

sunt egale

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fie numerele a= 96-\sqrt{96}  și b= 215-2\sqrt{15}  mai mic este

 96-\sqrt{96}  

 215-2\sqrt{15}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Media aritmetica˘ a numerelor x=3+28 și y=542 este un numa˘rMedia\ aritmetică\ a\ numerelor\ x=3+2\sqrt{8\ }și\ y=5-4\sqrt{2}\ este\ un\ număr  

natural

irațional

rațional

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Duoă raționalizarea numitorului , rezultatul sumei  112+13\frac{1}{\sqrt{12}}+\frac{1}{\sqrt{3}}  este

 33\frac{\sqrt{3}}{3}  

 3\sqrt{3}  

 36\frac{\sqrt{3}}{6}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aria unui dreptunghi cu dimensiunile de  52 și 3185\sqrt{2}\ și\ 3\sqrt{18}  este

 8208\sqrt{20}  

90

 45245\sqrt{2}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Latura unui pătrat cu aria de 288  cm2cm^2  este 

144 cm

 12212\sqrt{2}  cm

72 cm

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media geometrică a numerelor  0,4 și 0,90,4\ și\ 0,9  este

6

0,6

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