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Friday, 22 april 2016 |
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Matematica e simpla, nu va complicati |
Proposed by
Je |
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| (12 comments) | 1.813 times displayed |
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Doua numere prime p1 si p2 au diferenta de 111111.
Care este suma si produsul lor ?
Nota : Aceasta este o problema care nu necesita creion si hartie. Specificati, va rog, in comentariu cat timp v-a luat rezolvarea |
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Se porneste de la premiza ca doar diferenta dintre un nr par si unul impar e impara => un numar prim e par, singurul nr prim par e 2... restul e cancan.
P1= 11113
P2=2
P1-P2= 11111
P1+P2= 11115
P1xP2=22226 |
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Tags:
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problema zilei,
probleme de matematica,
amuzante,
matematica amuzanta,
logica
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