Operaţii cu radicali 2
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10 QuestionsShow answers
  • Question 1
    120 seconds
    Q.
    answer choices

    21

    8√2 + 13√3

  • Question 2
    120 seconds
    Q.
    answer choices

    13√3

    10√30

  • Question 3
    60 seconds
    Q.

    Calculând -3√5 ⋅(-5√11) se obține

    answer choices

    -15 √55

    +15√55

  • Question 4
    30 seconds
    Q.

    Rezultatul calculului: 218+33250 este:2\sqrt{18}+3\sqrt{32}-\sqrt{50}\ este:  

    answer choices

     4504\sqrt{50}  

     13213\sqrt{2}  

  • Question 5
    30 seconds
    Q.

     Rezultatul calculului :14+19+4936este:Rezultatul\ calculului\ :\sqrt{\frac{1}{4}}+\sqrt{\frac{1}{9}}+\sqrt{\frac{49}{36}}este:  

    answer choices

    2

     56\frac{5}{6}  

  • Question 6
    30 seconds
    Q.

    Dacă  41227+75=x3. atunci x este egal cu:4\sqrt{12}-\sqrt{27}+\sqrt{75}=x\sqrt{3}.\ atunci\ x\ este\ egal\ cu:  

    answer choices

    5

    10

  • Question 7
    300 seconds
    Q.
    answer choices

    9+14√3

    9

  • Question 8
    180 seconds
    Q.

    √5 × √10

    answer choices

    50

    5√2

  • Question 9
    30 seconds
    Q.

     (3)2\left(-\sqrt{3}\right)^2  

    answer choices

    -3

    +3

  • Question 10
    30 seconds
    Q.


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

    answer choices

    5

     5-\sqrt{5}  

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