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2020 CMIMC
2020 CMIMC Team
8
8
Part of
2020 CMIMC Team
Problems
(1)
2020 Team 8
Source:
2/2/2020
Simplify
(
2020
1010
)
(
1010
1010
)
+
(
2019
1010
)
(
1011
1010
)
+
⋯
+
(
1011
1010
)
(
2019
1010
)
+
(
1010
1010
)
(
2020
1010
)
.
\dbinom{2020}{1010}\dbinom{1010}{1010}+\dbinom{2019}{1010}\dbinom{1011}{1010}+\cdots+\dbinom{1011}{1010}\dbinom{2019}{1010} + \dbinom{1010}{1010}\dbinom{2020}{1010}.
(
1010
2020
)
(
1010
1010
)
+
(
1010
2019
)
(
1010
1011
)
+
⋯
+
(
1010
1011
)
(
1010
2019
)
+
(
1010
1010
)
(
1010
2020
)
.
team
2020