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ΡΙΖΕΣ

Authored by Αλεξάνδρα Κατιρτζή

Mathematics

8th Grade

Used 25+ times

ΡΙΖΕΣ
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 το 36   ισουˊται μετο\ \sqrt{36}\ \ \ ισούται\ με  

5

 262\sqrt{6}  

4

6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 το  144   ισουˊται   μετο\ \ \sqrt{144}\ \ \ ισούται\ \ \ με  

12

10

 525\sqrt{2}  

15

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 το  18   ισουˊται  μετο\ \ \sqrt{18}\ \ \ ισούται\ \ με  

 232\sqrt{3}  

4

 929\sqrt{2}  

 323\sqrt{2}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 1414\sqrt{14\cdot14}  

13

14

 2142\sqrt{14}  

 28\sqrt{28}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 ψ=χψ=\sqrt{χ}  

 ψ0  και   χ<0ψ\ge0\ \ και\ \ \ χ<0  

 ψ0  και  χ0ψ\ge0\ \ και\ \ χ\ge0  

το χ  μπορεί να είναι οποιοσδήποτε  αριθμός

χ>0  και ψ οποιοσδήποτε αριθμός

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 9\sqrt{-9}  

12

3

-3

δεν ορίζεται

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (3)2\sqrt{\left(-3\right)^2}  

9

3

-3

δεν ορίζεται

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