Teza clasa a VIII-a, semestrul I
a year ago
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18 QuestionsShow answers
  • Question 1
    45 seconds
    Q.

    I.1. . Rezultatul calculului |–24| : 6 + 20170 este egal cu ... .

    answer choices

    2021

    4

    -3

    5

  • Question 2
    45 seconds
    Q.

    I.2.

    answer choices

    a

    b

  • Question 3
    30 seconds
    Q.

    I.3. În intervalul (-2; 5] se află un număr de … numere întregi.

    answer choices

    5

    6

    6

    7

  • Question 4
    45 seconds
    Q.

    I.4.

    answer choices

    (x+2)2

    x(x+4)

    x(x+4)+4

    (x-2)2

  • Question 5
    30 seconds
    Q.

    I.5.

    answer choices

    [-2;6)

    (-2;6)

    (-2;6]

    [-2;6]

  • Question 6
    60 seconds
    Q.

    I.6.

    answer choices

    450

    900

    300

    600

  • Question 7
    30 seconds
    Q.

    II.1. In care dintre figurile de mai jos este reprezentata o piramida patrulatera regulata?

    answer choices
  • Question 8
    180 seconds
    Q.

    II.2.

    answer choices

    0

    1

    -1

  • Question 9
    300 seconds
    Q.

    II.3.

    answer choices

    E(n) =(2n+1)2 =p.p

    E(n) =(2n+2)2 =p.p

    E(n) =(2n-1)2 =p.p

    E(n) =(2n-2)2 =p.p

  • Question 10
    300 seconds
    Q.

    II.4.a.

    answer choices

    (2x+5)(2x-7)(2x+3)

    (2x+5)(2x+7)(2x-3)

    (2x+5)(2x+7)(2x+3)

    (x-3)(x-2)(x+2)(x-1)

  • Question 11
    300 seconds
    Q.

    II.4.b.

    answer choices

    (x+3)(x-2)(x-2)(x-1)

    (x+3)(x-2)(x+2)(x+1)

    (x+3)(x-2)(x+2)(x-1)

    (x-3)(x-2)(x+2)(x-1)

  • Question 12
    30 seconds
    Q.

    II.5.

    answer choices

    1

    0

    2

    3

  • Question 13
    300 seconds
    Q.

    III.1.a

    answer choices

    108

    216

    Alt raspuns

  • Question 14
    300 seconds
    Q.

    III.1.b. Aflati apotema piramidei .

    answer choices

    6m

    12m

    3m

  • Question 15
    300 seconds
    Q.

    III.1.c.Calculați măsura unghiului determinat de o muchie laterală cu planul bazei.

    answer choices

    300

    900

    450

    600

  • Question 16
    300 seconds
    Q.

    III.2.a

    answer choices

    6 cm

    12 cm

    3 cm

  • Question 17
    300 seconds
    Q.

    III.2.b

    answer choices

    12 cm

    6 cm

    3 cm

    18 cm

  • Question 18
    300 seconds
    Q.

    III.2.c.

    answer choices

    34 cm2

    32 cm2

    16 cm2

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