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12#
发表于 2011-7-13 13:27
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the show NY Wrote:
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> Equal: (7.7 + 17.9 + 14.3 + 11.6 + 10.5) / 5 =
> 12.4%
Why changes in prices (%) are used to calculate ?
Shall it be : (8.2+26.0+13.2+9.1+12.1) / 5 = 13.72% ? |
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