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Problem
Problem
Let
{
x
}
\{x\}
{
x
}
and
[
x
]
[x]
[
x
]
denote the fractional and integral parts of a real number
x
x
x
, respectively. Solve
4
{
x
}
=
x
+
[
x
]
4\{x\} = x + [x]
4
{
x
}
=
x
+
[
x
]
.
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