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18 QuestionsShow answers
  • Question 1
    300 seconds
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    Q.

    Suma lungimilor muchiilor unui cub cu muchia de 10 cm este egală cu …

    answer choices

    120 cm

    80 cm

    40 cm

    100 cm

  • Question 2
    300 seconds
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    Q.

    Fracţia zecimală 1,(3) scrisă sub forma

    unei fracţii ordinare este egală cu …

    answer choices

    3/4

    4/3

    1/2

    2/3

  • Question 3
    300 seconds
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    Q.
    answer choices

    2√5

    8√5

    4√5

    6√5

  • Question 4
    300 seconds
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    Q.
    answer choices

    2x2 + 2x + 1

    4x2 + 2x + 1

    4x2 + 4x + 1

    4x2 - 4x + 1

  • Question 5
    180 seconds
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    Q.

    Rezultatul calculului

    18 - 10 : 2 este ...

    answer choices

    13

    4

    9

    -4

  • Question 6
    180 seconds
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    Q.

    Soluţia ecuaţiei x + 5 = 32

    este egală cu ...

    answer choices

    27

    25

    29

    28

  • Question 7
    300 seconds
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    Q.

    Descompusă în factori expresia

    x2 - 9 =

    answer choices

    (x+3)2

    (x-3)2

    (x+3)(x-3)

    (x+3)(x+2)

  • Question 8
    180 seconds
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    Q.
    answer choices

    1

    3

    0

    4

  • Question 9
    300 seconds
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    Q.
    answer choices

    7

    49

    15

    8

  • Question 10
    300 seconds
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    Q.

    Mulţimea A scrisă sub formă de

    interval este ...

    answer choices

    [-3, 2]

    (-3, 2)

    (-6, 4)

    [-2, 5)

  • Question 11
    300 seconds
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    Q.

    Suma numerelor întregi din

    mulţimea A este egală cu ...

    answer choices

    -2

    2

    0

    1

  • Question 12
    900 seconds
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    Q.

    Calculaţi a

    answer choices

    a = 7

    a = 8

    a = 1

    a = 5

  • Question 13
    900 seconds
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    Q.

    Lungimea segmentului MC =...

    answer choices

    12 cm

    12√2 cm

    12√3 cm

    12√6 cm

  • Question 14
    900 seconds
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    Q.

    Lungimea segmentului MB = ...

    answer choices

    12√5 cm

    12√10 cm

    12√3 cm

    12√6 cm

  • Question 15
    900 seconds
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    Q.

    Aria triunghiului MAC este egală cu ...

    answer choices

    288√2 cm2

    288 cm2

    288√3 cm2

    144√2 cm2

  • Question 16
    300 seconds
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    Q.
    answer choices

    90°

    60°

    45°

  • Question 17
    300 seconds
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    Q.
    answer choices

    45°

    60°

    90°

  • Question 18
    300 seconds
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    Q.
    answer choices

    1

    -2018

    -1

    2018

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