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scrieti numarul 2 la puterea 60 ca SUMA de doua numere impare consecutive

Răspuns :

2 la puterea 19+31 ..cred
[tex]2^{60}=2k+1+2k+3 \\ 2^{60}=4k+4|:4 \\2^{58}=k+1\\ k=2^{58}-1\\ 2k+1=2^{59}-1\\ 2k+3=2^{59}+1[/tex]

Verificare:
[tex]2^{59}-1+2^{59}+1=2^{59}+2^{59}=2^{1}\cdot 2^{59}=2^{60}[/tex]