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10 QuestionsShow answers
  • Question 1
    120 seconds
    Q.

    Dacă 2x-1=19, atunci x este:

    answer choices

    20

    10

    18

    2

  • Question 2
    120 seconds
    Q.

    Dacă 6x-8  \le  4, atunci x este:

    answer choices

    4

    15

    11

    2

  • Question 3
    120 seconds
    Q.

    Dacă are loc egalitatea: x-328=489,atunci x este egal cu:

    answer choices

    727

    437

    817

    917

  • Question 4
    120 seconds
    Q.

    Daca are loc egalitatea: 458+x=707,atunci x este:

    answer choices

    349

    979

    249

    301

  • Question 5
    120 seconds
    Q.

    Dacă are loc egalitatea: 216:x=18, atunci x este:

    answer choices

    12

    18

    22

    16

  • Question 6
    120 seconds
    Q.

    Dacă 144 : x+14 =22, atunci x este:

    answer choices

    18

    8

    28

    12

  • Question 7
    120 seconds
    Q.

    Media aritmetica a numerelor 48, 102 si 36 este :

    answer choices

    28

    56

    62

    48

  • Question 8
    120 seconds
    Q.

    Dacă media aritmetică a trei numere naturale este 69, atunci suma lor este:

    answer choices

    108

    138

    418

    38

  • Question 9
    120 seconds
    Q.

    Dacă suma a trei numere naturale consecutive este 36, atunci numerele sunt:

    answer choices

    4, 5, 6

    10, 11, 12

    11, 12, 13

    3, 4, 5

  • Question 10
    120 seconds
    Q.

    Media aritmetică a numerelor: 23x, 37x, 33x este :

    answer choices

    23x

    33x

    31

    31x

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