Question
2
Selected one answer choice
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A.fff\(\frac{1}{π}\)/fff
B.fff\(\frac{1}{3}\)/fff
C.fff\(\frac{\sqrt{3}}{{π+2}}\)/fff
D.fff\(\frac{1}{2\sqrt2}\)/fff
E.fff\(\frac{2\sqrt3}{3π}\)/fff
我的答案：