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Modular Arithmetic
easy
0:00.0
Calculate
(
1
−
5
)
(
m
o
d
4
)
(1-5) \pmod 4
(
1
−
5
)
(
mod
4
)
.
A
−
4
-4
−
4
B
0
0
0
C
1
1
1
D
3
3
3
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