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Problem
Problem
Let
max
{
∣
x
+
y
∣
,
∣
x
−
y
∣
}
=
1
\max\{|x+y|, |x-y|\} = 1
max
{
∣
x
+
y
∣
,
∣
x
−
y
∣
}
=
1
and
y
=
x
−
[
x
]
y = x - [x]
y
=
x
−
[
x
]
be two equations which
x
x
x
and
y
y
y
satisfy, then the number of ordered pairs
(
x
,
y
)
(x, y)
(
x
,
y
)
is a. 6 b. 8 c. 0 d.
∞
\infty
∞
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