It means that something is obvious and doesn't need complicated proofs or calculations to prove it. For example, the number 1 is a "trivial" factor of every integer.
Trivial is an adjective.
The word trivial means "useless". So a trivial set would be a useless set.
Arithmetic is another word for math or mathematics.
It is the same word: Équation.
to multiply by that same number
To distribute; to "spread" evenly.
"Whinge" is not slang, it is an English word meaning "to complain or whine", usually for a trivial issue.
A trivial lie is also known as a fib.
A number that one is solving for-the unknown.
Nothing. Maybe you are thinking of mathematics or anathema
adds a trivial amount of Fat
Mathematics is just another word for Math, like Language Arts is for English, and History is for Social Studies