Se aseaza la birou. Pe mouse pad-ul lui Petru apare o inmultire ciudata.

 

C. Mouse Pad (15%)

Se dau doua numere de cate cinci cifre, formate cu toate cifrele de la 0 la 9. Produsul lor se poate face in doua moduri (datorita comutativitatii inmultirii). Mai exact:

 

Aflati cele doua numere.

Sursa: Nicolae Oprisiu, Olimpiada jocurilor rationale, Ed, Dacia, 1984

 

Petru is taking his place. On his mouse pad there is a strange multiplication.

 

C. Mouse Pad (15%)

There are two five-digit numbers formed with all digits from 0 to 9. Their product can be done in two ways (due to multiplicity of propagation). More exactly:

Find out the two numbers.

Source: Nicolae Oprisiu, Olimpiada jocurilor rationale, Ed, Dacia, 1984

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