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1988 IMO Longlists
25
25
Part of
1988 IMO Longlists
Problems
(1)
Find the total number of different integers of a function
Source: IMO LongList 1988, Hong Kong 1, Problem 25 of ILL
10/22/2005
Find the total number of different integers the function
f
(
x
)
=
[
x
]
+
[
2
⋅
x
]
+
[
5
⋅
x
3
]
+
[
3
⋅
x
]
+
[
4
⋅
x
]
f(x) = \left[x \right] + \left[2 \cdot x \right] + \left[\frac{5 \cdot x}{3} \right] + \left[3 \cdot x \right] + \left[4 \cdot x \right]
f
(
x
)
=
[
x
]
+
[
2
⋅
x
]
+
[
3
5
⋅
x
]
+
[
3
⋅
x
]
+
[
4
⋅
x
]
takes for
0
≤
x
≤
100.
0 \leq x \leq 100.
0
≤
x
≤
100.
function
algebra unsolved
algebra