Operaţii cu radicali 1
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10 QuestionsShow answers
• Question 1
120 seconds
Q.
answer choices

11√5

11√10

• Question 2
120 seconds
Q.
answer choices

9√2

9√1

• Question 3
60 seconds
Q.

Rezolvând corect √36 : √4 +√9 ⋅√81 se obține rezultatul

answer choices

30

23

• Question 4
30 seconds
Q.

Rezultatul calculului: $\sqrt{36+\left(9-1\right)^2}=$

answer choices

10

18

• Question 5
30 seconds
Q.

Rezultatul calculului: $\left(7\sqrt{12}-5\sqrt{27}\right)\left(3\sqrt{2}+2\sqrt{98}\right)$

answer choices

$6\sqrt{17}$

$-12\sqrt{3}$

$-17\sqrt{6}$

$13\sqrt{6}$

• Question 6
30 seconds
Q.

$Rezultatul\ calculului\ :\sqrt{27}+\sqrt{12}-\sqrt{75}\ este:$

answer choices

$2\sqrt{3}$

$5\sqrt{3}$

0

2

• Question 7
300 seconds
Q.
answer choices

4√30

2√30

• Question 8
180 seconds
Q.

4√7 - 10 √7 + 7√7

answer choices

-6√7

√7

• Question 9
900 seconds
Q.

√6 ⋅√6

answer choices

6

2√3

• Question 10
30 seconds
Q.

$\left(-2\sqrt{3}\right)^3$  =

answer choices

-8 $\sqrt{3}$

-24 $\sqrt{3}$

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