Divizibilitatea numerelor naturale
Flashcard
•
Mathematics
•
6th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Ce este un număr divizibil cu 3?
Back
Un număr este divizibil cu 3 dacă suma cifrelor sale este divizibilă cu 3.
2.
FLASHCARD QUESTION
Front
Care este descompunerea în factori primi a numărului 30?
Back
3.
FLASHCARD QUESTION
Front
Ce înseamnă că un număr este prim?
Back
Un număr prim este un număr natural mai mare decât 1 care are exact două divizori: 1 și el însuși.
4.
FLASHCARD QUESTION
Front
Care este regula de divizibilitate pentru 5?
Back
Un număr este divizibil cu 5 dacă se termină în 0 sau 5.
5.
FLASHCARD QUESTION
Front
Ce este un multiplu?
Back
Un multiplu al unui număr este rezultatul înmulțirii acelui număr cu un alt număr întreg.
6.
FLASHCARD QUESTION
Front
Care este descompunerea în factori primi a numărului 45?
Back
7.
FLASHCARD QUESTION
Front
Ce înseamnă că un număr este divizor?
Back
Un număr a este divizor al unui număr b dacă b se împarte exact la a, fără rest.
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