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SA SE REZOLVE ECUATIA :
{x+1} - [x] = 3/4


Răspuns :

{x+1} ={x}

deci

{x}-[x]=3/4

dar{x}∈[0,1) si [x]∈Z⇒[x]=0

{x}=3/4

x={x}+[x]=3/4+0=3/4

verificare

{1si3/4}-[3/4]=3/4-0=3/4 adevarat