”消費者物價指數”該如何計算?! 公式為何?!! - Yahoo!奇摩知識+

1.若已知Px, 2000 =15 Py, 2000 =10, Qx, 2000 =150, Qy, 2000 =120，Px,2004 =20, Py, 2004 =20，Qx, 2004 =100，Qy, ...

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