Fixnum class « Number « Ruby

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Ruby » Number » Fixnum class

1.	Fixnum literal value
2.	Normal-looking math equations when you use operator methods, such as +
3.	Extend the Fixnum class with some helper methods to make manipulating dates easier
4.	Output the modules where Fixnum lives
5.	find out the ancestors of Fixnum
6.	Raise ArgumentError from method

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