TEST DE ALGEBRĂ: NUMERE ÎNTREGI

Rezultatul calculului -28 : (-7) – (-2) este:

-9

Corect Incorect Correct answer

6

Corect Incorect Correct answer

-5

Corect Incorect Correct answer

2

Corect Incorect Correct answer

Ordinea crescătoare a numerelor -29, (-5)², (-2)⁵, 0 este:

29, -5(2), -2(5), 0

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-2(5), -29, 0, -5(2)

Corect Incorect Correct answer

-2(5), -29, 0, -5(2)

Corect Incorect Correct answer

-2(5), -29, -5(2), 0

Corect Incorect Correct answer

Dacă a = 30 – 2 ⋅ (+5) și b = -72: (-12) – 3 ⋅ (-2) atunci 2a – 5b este egal cu:

100

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40

Corect Incorect Correct answer

– 40

Corect Incorect Correct answer

– 20

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Dacă |a| ≤ 5 ; a∈Z_{_}, atunci a poate fi:

-5, -4, -3, -2, -1

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-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5

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0, 1, 2, 3, 4, 5

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±1, ±2, ±3, ±4, 0

Corect Incorect Correct answer

Soluția ecuației |2x – 3|=5 este:

4

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– 1

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4 și – 1

Corect Incorect Correct answer

1

Corect Incorect Correct answer

TEST DE ALGEBRĂ: NUMERE ÎNTREGI

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