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\frac{4076361}{2018\times 2020+1}
Calculate 2019 to the power of 2 and get 4076361.
\frac{4076361}{4076360+1}
Multiply 2018 and 2020 to get 4076360.
\frac{4076361}{4076361}
Add 4076360 and 1 to get 4076361.
1
Divide 4076361 by 4076361 to get 1.
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