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Gaokao Math Practice Question

12. 设 $f(x)$ 是定义域为 $R$ 的偶函数, 且在 $(0,+\infty)$ 单调递减, 则 $(\quad)$

  1. A.$f\left(\log _{5} \frac{1}{4}\right)>f\left(2^{-\frac{3}{2}}\right)>f\left(2^{-\frac{2}{3}}\right)$
  2. B.$f\left(\log _{8} \frac{1}{4}\right)>f\left(2^{-\frac{2}{3}}\right)>f\left(2^{-\frac{3}{2}}\right)$
  3. C.$f\left(2^{-\frac{3}{2}}\right)>f\left(2^{-\frac{2}{3}}\right)>f\left(\log _{5} \frac{1}{4}\right)$
  4. D.$f\left(2^{-\frac{2}{3}}\right)>f\left(2^{-\frac{3}{2}}\right)>f\left(\log _{5} \frac{1}{4}\right)$

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