Răspunsuri

2014-10-06T14:19:31+03:00
Se descompune 2012 in 2012=1+1+1+.....+1 de 2012 ori, si atunci relatia noastra va deveni:
Suma = 1+ (1+9) +(1+99) +(1+999)+.......(1+99....999)=1+10+100+1000+.....1000..000 (ultimul numar are 2011 cifre de 0
Suma =11111.............1111111111111 (de 2012 ori)
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