Lucrare scrisă la matematică pe semestrul I- Digitaliada- Salva
a year ago
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8 QuestionsShow answers
  • Question 1
    300 seconds
    Q.

    Se dau numerele : 12; 15 ; 29; 31; 33; 45; 60; 90; 111; 205; 307; 455. Alegeti numerele impare:

    answer choices

    15 ; 29; 38; 43; 45; 111; 605;307;455

    39 ; 69; 31; 33; 45; 211; 605;307;555

    15 ; 29; 31; 33; 45; 111; 205;307;455

    5 ; 49; 37; 77; 45; 143; 205;307;455

  • Question 2
    300 seconds
    Q.

    Se dau numerele : 12; 15 ; 29; 31; 33; 45; 60; 90; 111; 205; 307; 455. Aflati numerele divizibile cu 5:

    answer choices

    15 ; 45; 60; 90;205; 455

    25 ; 65; 60; 95;205; 455

    15 ; 45; 60; 80;305; 455

    15 ; 45; 60; 90;205; 455

  • Question 3
    300 seconds
    Q.

    Calculaţi:

    231 .7 + 10 . 7 – 230 . 7

    answer choices

    87

    77

    65

    19

  • Question 4
    300 seconds
    Q.

    Calculaţi:

    a .b + a .c – 150 daca a = 7 si b + c =

    answer choices

    25

    35

    26

    20

  • Question 5
    300 seconds
    Q.

    Afla suma ultimelor 6 cifre ale numarului A = 1. 2 . 3 . .... 27.

    answer choices

    1

    27

    10

    0

  • Question 6
    300 seconds
    Q.

    Calculaţi: n = 10+20+30+…+ 990.

    answer choices

    n = 48500

    n = 59500

    n = 49500

    n = 49600

  • Question 7
    30 seconds
    Q.

    Asezaţi în ordine crescătoare numerele 2300;3200;11100;13100

    answer choices

    9100 <8100 <11100 <13300

    13100 <9100 <11100 <8300

    8100 <9100 <11100 <13300

    8100 <9100 <13100 <11300

  • Question 8
    30 seconds
    Q.

    Calculaţi :

    20190.[210 .310 +(35)4 +216 . 214]:[247:217 +(34)5 +622:612]

    answer choices

    0

    6

    2

    3

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