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Modular Arithmetic
hard
0:00.0
Calculate
∑
k
=
1
6
k
0
(
m
o
d
7
)
\sum_{k=1}^{6} k^0 \pmod{7}
∑
k
=
1
6
k
0
(
mod
7
)
.
A
0
B
6
C
1
D
5
Submit Answer