Dec. 2

Recall that {x} is the fractional part of a number, that is how far it is from the larger integer less or equal to x.

Exercises:

• Try to compare in your head 192/133 and 79/53.
• If {x}=1/2, and {y}=1/2, what are possible options for {xy}?
• What are possible options for {x}+{-x}?