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forum.matefbc.ro • Vezi subiect - Subiecte clasa a5a

Subiecte clasa a5a

Clasa a5a

Subiecte clasa a5a

Mesajde cipriancx » Joi Iul 02, 2009 10:39 am

Subiectele vor fi afisate in acest topic vineri 3 iulie la ora 10.00
Timp de lucru 24 ore.
Rezolvarile le veti trimite pana sambata ora 10.00
cipriancx
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Re: Subiecte clasa a5a

Mesajde aleph » Vin Iul 03, 2009 7:09 am

Subiecte a V-a:

Subiectul 1

Determinati numarul astfel incat

Subiectul 2

Determinati numerele prime astfel incat

Subiectul 3

Trei oameni au scris fiecare cate o suta de cuvinte diferite . Dupa aceea , confruntand listele , s-au sters cuvintele care s-au gasit cel putin de doua ori . Ca rezultat , unul a ramas cu 45 de cuvinte , altul cu 68 , iar al treilea cu 54 . Sa se demonstreze ca cel putin un cuvant a fost scris de toti trei.

Subiectul 4

Rezolvati ecuatia: unde

Subiectul 5

Determinati numerele naturale nenule n astfel incat

Subiectul 6

a)Sa se arate ca:
b)Fie divizori naturali ai numarului a.Sa se arate ca:


pentru cei care vor varianta pdf, aceasta se gaseste .

SUCCES!
aleph
 
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Re: Subiecte clasa a5a

Mesajde cipriancx » Vin Iul 03, 2009 7:10 am

Va reamintim ca rezolvarile le trimiteti doar la adresa de mail
matefbc5@yahoo.com
Timp limita sambata 4 iulie ora 10.15
cipriancx
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