by adding or dividing
No, it is not well defined. For example, I enjoy math so math would be an enjoyable subject for me. But many people do not enjoy math, so it would not be an enjoyable subject for them. So this is not a well defined set since the answer would depend upon the person you talked to.
math is my favorite subject, too. it is so easy!
A defined space.
It is a set that is well defined.
Math.
I enjoy math sometimes
Supplements are defined in a context. Without the context there cannot be an answer and "Math" does not provide enough context.
subject
math because he measured lands and that involves math
If there was no math in the world we wouldn't no that many things because math is the main subject in the world. It is the main subject because you will see numbers everywhere and that is math.
because math is simple.And math make me think
music..but his favorite school subject is math