Some people find letters easier and some find numbers easier. It depends on the person doing the memorizing.
the lost girl is easy
arithmetic According to my son's homework, they are "compatible" numbers.
I'm afraid there's no easy way to memorize songs -- you just sing them over and over until you've got them learned.
Memorize them all.
My wife would memorize the letters of the Snelling eye chart.
Anything to the power zero is one (1).
Memorize and or write the coordinates on the sides of the map (alphabets and numbers )
kodak
So that it's easy to remember.. what's easier to remember 34123412314@yahoo.com or tom@yahoo.com?
The Romans did but these letters or numerals represented numbers.
Absolutely not. There are many exceptions for each and every case, particularly genitive forms. Russian is one of the hardest languages in the world. Of course there is no "easy" way to learn the verb cases. Memorize memorize memorize.
A chimpanzee: they are related to humans and are able to memorize numbers quickly.