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Mulțimi, descriere, elemente

Mulțimi, descriere, elemente

Assessment

Flashcard

•

Mathematics

•

6th - 8th Grade

•

Practice Problem

•

Hard

Created by

Daciana Moraru

FREE Resource

Student preview

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5 questions

Show all answers

1.

FLASHCARD QUESTION

Front

  1. 1. Ce este o mulțime?

Back

Mulțimea este o colecție de obiecte bine determinate și distincte

2.

FLASHCARD QUESTION

Front

  1. 2. Se consideră mulțimea

  2. A = {x| x∈ℕ, x = 2n, n≤6}

  3. Scrie mulțimea A prin enumerarea elementelor sale.

Back

A = { 1, 2, 4, 8, 16, 32, 64 }

3.

FLASHCARD QUESTION

Front

  1. 3. Scrie prin proprietate mulțimea: A = {1, 4, 7, 10, 13, 16, 19, 22, 25}

Back

  1. 3. A = {x| x ∈ ℕ, x = 3n+1, n ∈ ℕ, n ≦ 8}

4.

FLASHCARD QUESTION

Front

  1. 4. Fie mulțimea: A = {2x+1, 2x+2, 2x+3}. Care este valoarea lui x, pentru care 2 ∈ A?

Back

  1. 4. x = 0

5.

FLASHCARD QUESTION

Front

  1. 5. Care este valoarea numărului natural n, dacă 11 ∈ {3n+5, 2n+4}

Back

  1. 5. n = 2

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