A new operation $$⊕$$ is defined as $$a⊕b=\frac{2}{a^{2}}+\frac{1}{b}$$:  Which of the equations below is/are correct? 
选项为:A:$$2⊕4=4⊕2$$  B:$$3⊕6=6⊕3$$  C:$$4⊕8=8⊕4$$  D:$$1008⊕2016=2016⊕1008$$  请回答其中一个选项.