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QUIZ

7th
grade

63%

accuracy

40

plays

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4 years

7th

grade

Operaţii cu radicali 1

user

40
plays

10 questions

10 questions

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1. Multiple Choice
2 minutes
1 pt
11√5
11√10
2. Multiple Choice
2 minutes
1 pt
9√2
9√1
3. Multiple Choice
1 minute
1 pt
Rezolvând corect √36 : √4 +√9 ⋅√81 se obține rezultatul
30
23
4. Multiple Choice
30 seconds
1 pt
Rezultatul calculului: $\sqrt{36+\left(9-1\right)^2}=$
10
18
5. Multiple Choice
30 seconds
1 pt
Rezultatul calculului: $\left(7\sqrt{12}-5\sqrt{27}\right)\left(3\sqrt{2}+2\sqrt{98}\right)$
$6\sqrt{17}$
$-12\sqrt{3}$
$-17\sqrt{6}$
$13\sqrt{6}$
6. Multiple Choice
30 seconds
1 pt
$Rezultatul\ calculului\ :\sqrt{27}+\sqrt{12}-\sqrt{75}\ este:$
$2\sqrt{3}$
$5\sqrt{3}$
0
2
7. Multiple Choice
5 minutes
1 pt
4√30
2√30
8. Multiple Choice
3 minutes
1 pt
4√7 - 10 √7 + 7√7
-6√7
√7
9. Multiple Choice
15 minutes
1 pt
√6 ⋅√6
6
2√3
10. Multiple Choice
30 seconds
1 pt
$\left(-2\sqrt{3}\right)^3$ =
-8 $\sqrt{3}$
-24 $\sqrt{3}$
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