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QUIZ

7th
grade

67%

accuracy

28

plays

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4 years

7th

grade

Operaţii cu radicali 2

user

28
plays

10 questions

10 questions

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1. Multiple Choice
2 minutes
1 pt
21
8√2 + 13√3
2. Multiple Choice
2 minutes
1 pt
13√3
10√30
3. Multiple Choice
1 minute
1 pt
Calculând -3√5 ⋅(-5√11) se obține
-15 √55
+15√55
4. Multiple Choice
30 seconds
1 pt
Rezultatul calculului: $2\sqrt{18}+3\sqrt{32}-\sqrt{50}\ este:$
$4\sqrt{50}$
$13\sqrt{2}$
5. Multiple Choice
30 seconds
1 pt
$Rezultatul\ calculului\ :\sqrt{\frac{1}{4}}+\sqrt{\frac{1}{9}}+\sqrt{\frac{49}{36}}este:$
2
$\frac{5}{6}$
6. Multiple Choice
30 seconds
1 pt
Dacă $4\sqrt{12}-\sqrt{27}+\sqrt{75}=x\sqrt{3}.\ atunci\ x\ este\ egal\ cu:$
5
10
7. Multiple Choice
5 minutes
1 pt
9+14√3
9
8. Multiple Choice
3 minutes
1 pt
√5 × √10
50
5√2
9. Multiple Choice
30 seconds
1 pt
$\left(-\sqrt{3}\right)^2$
-3
+3
10. Multiple Choice
30 seconds
1 pt

$\left(-\sqrt{5}\right)^{30}$ $:\left(-\sqrt{5}\right)^{28}$
5
$-\sqrt{5}$
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