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DIVIZIBILITATEA NUMERELOR NATURALE

Authored by MIHAIELA SAVA

Mathematics

5th Grade

Used 5+ times

DIVIZIBILITATEA NUMERELOR NATURALE
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9 questions

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1.

FILL IN THE BLANKS QUESTION

15 mins • 1 pt

Calculează suma divizorilor impari ai numarului 60

(a)  

2.

FILL IN THE BLANKS QUESTION

15 mins • 1 pt

Calculand suma numerelor de forma

 x3x \overline{x3x\ }  divizibile cu 2 obtinem:



(a)  

3.

FILL IN THE BLANKS QUESTION

15 mins • 1 pt

Calculand suma numerelor prime de forma:

 1x\overline{1x}  obtinem rezultatul:



(a)  

4.

FILL IN THE BLANKS QUESTION

15 mins • 1 pt

Scrie toate numerele care sunt divizori comuni pentru 14 si 21. Calculand suma lor se obtine rezultatul:

(a)  

5.

FILL IN THE BLANKS QUESTION

15 mins • 1 pt

Scrie cel mai mare multiplu de 2 cifre al lui 7.

(a)  

6.

FILL IN THE BLANKS QUESTION

15 mins • 1 pt

Cel mai mare numar natural de forma

 4xy\overline{4xy}  divizibil cu 2 este:



(a)  

7.

FILL IN THE BLANKS QUESTION

15 mins • 1 pt

Scrie cel mai mare numar de forma

 3xa\overline{3xa}  divizibil cu 5.



(a)  

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