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10 QuestionsShow answers
  • Question 1
    300 seconds
    Q.

    Suma numerelor prime intre 80 si 100 este:.....

    answer choices

    500

    300

    269

    700

  • Question 2
    300 seconds
    Q.

    (28,42,63)= ....

    answer choices

    14

    7

    2

    6

  • Question 3
    300 seconds
    Q.

    in scrierea  35x  2\overline{35x}\ ⋮\ 2  , x=

    answer choices

    2,4,8

    0,2,4,6,8

    6,8

    4

  • Question 4
    300 seconds
    Q.

    Cate numere de forma  12ab  5 si 3\overline{12ab}\ ⋮\ 5\ si\ 3   

    answer choices

    5

    3

    10

    7

  • Question 5
    900 seconds
    Q.

    Fie multimile: A= {n ϵ\epsilon  NN^{\cdot} |x    3, x < 19 } si B= {y ϵ\epsilon  N |18    y}. A \cap  B= {..................}

    answer choices

    3,6,9,15,18

    3,6,9,12

    3,18

    3,6,9,18

  • Question 6
    300 seconds
    Q.

     In scrierea 2n+3+2n+1+2n=88, n=.....In\ scrierea\ 2^{n+3}+2^{n+1}+2^n=88,\ n=..... 

    answer choices

    3

    6

    2

    4

  • Question 7
    120 seconds
    Q.

    Multimea divizorilor lui 42 este: {.................}

    answer choices

    1,2,3,4,5,6,7,21

    1,42

    1,2,3,6,7,14,21,42

    2,3,6,7,14,21,42

  • Question 8
    300 seconds
    Q.

    Valoarea raportului numerelor 1,25 si 1250 este.....

    answer choices

    0,1

    0,001

    0,0001

    0,00001

  • Question 9
    120 seconds
    Q.

     Termenul necunoscut din 6,(4)x=8, este x=......Termenul\ necunoscut\ din\ \frac{6,\left(4\right)}{x}=8,\ este\ x=...... 

    answer choices

     2936\frac{29}{36}  

     3629\frac{36}{29}  

    29

    36

  • Question 10
    60 seconds
    Q.

     In scrierea  217=18153 , extremii sunt.......In\ scrierea\ \ \frac{2}{17}=\frac{18}{153}\ ,\ extremii\ sunt.......  

    answer choices

    17,18

    17,153

    2,18

    2,153

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