R1A1T1I1O1N1A1L1S1
9 points
RATIONALS is validvalid
RATIONAL, a number that can be expressed as a quotient of integers [n]
RATIONAL, a number that can be expressed as a quotient of integers [n]
RATIONAL, a number that can be expressed as a quotient of integers [n]
RATIONAL, a number that can be expressed as a quotient of integers [n]