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5.1.3 OPERATII CU NUMERE NATURALE 2
Contributed by: Romeo
  • 1. Rezultatul calculului 72:12 este
A) 6
B) 5
C) 8
D) 7
  • 2. Restul impartirii 89:13 este
A) 11
B) 5
C) 0
D) 6
  • 3. Media aritmetica a numerelor 12 si 18 este:
A) 30
B) 14
C) 15
D) 16
  • 4. Divizorii numarului 12 sunt:
A) 2;4;5;6;12
B) 0;2;4;6;8;10;12
C) 0,12,24,36,48....
D) 1;2;3;4;6;12
E) 0;1;12
  • 5. Multiplii numarului 6 sunt:
A) 0;3;6;9;12;15.....
B) 0;6;12;18;24......
C) 1;2;3;6
D) 0;2;4;6;8;10;12.....
  • 6. Numarul divizibil cu 10 este:
A) 145
B) 120
C) 3002
D) 104
  • 7. Numarul divizibil cu 2 este:
A) 229
B) 347
C) 358
D) 201
  • 8. Numarul divizibil cu 5 este:
A) 504
B) 125
C) 559
D) 456
  • 9. Cati divizori naturali are numarul 23· 32 ?
A) 14
B) 12
C) 8
D) 16
E) 10
  • 10. Numarul x=3·{24:[22+2·(30+2)-(50+1)]+32-30}+33 se divide cu :
A) 2
B) 7
C) 11
D) 5
E) 3
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