红宝石 |理性——方法
–是 Ruby 中的一个内置方法,通过在两个有理数之间执行减法来返回有理数。
Syntax: rat1 – rat2
Parameters: The function accepts no parameter
Return Value: It returns the rational number by performing subtraction between two rational numbers.
示例 1 :
Ruby
# Ruby program for - method
# Initialize rational number
rat1 = Rational(-2, 9)
rat2 = Rational(9, -2)
# Prints the rational number
puts rat1 - rat2
Ruby
# Ruby program for - method
# Initialize rational number
rat1 = Rational(-2, 9)
# Prints the rational number
puts rat1 - 2
输出:
77/18
示例 2 :
红宝石
# Ruby program for - method
# Initialize rational number
rat1 = Rational(-2, 9)
# Prints the rational number
puts rat1 - 2
输出:
-20/9