What is the only real number which, when divided by itself, is 2020 times itself?
A.
2020
B.
\(2020^{-1}\)
C.
\(2020^{-2}\)
D.
none of above
Exam No：2020-2021 Math League First Round Grades 8-9 Year：2021 Question No：21
Answer:
B
Knowledge points:
G8-9 - Algebra - Rational Expressions (Simplifying)
Solution:
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