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Dinda Erliananda was born in Sitinjak,
February 16th, 2001. She is an
undergraduate student in Mathematics
Education UNIMED. Contact her via
email dindae16@mhs.unimed.ac.id or
instagram: dindaerliananda.
Counting principles is a branch of
mathematics that discusses the
rules for counting the number of
arrangements or combinations of an
object without having to specify all
the possible arrangements. In the
rules of enumeration, there are
rules that can be repeated and
cannot be repeated.
