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Gaokao Math Practice Question

12. (5 分) 设 $a=\log _{0.2} 0.3, b=\log _{2} 0.3$, 则 $(\quad)$

  1. A.$a+b<a b<0$
  2. B.$a b<a+b<0$
  3. C.$a+b<0<a b$
  4. D.$a b<0<a+b$

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