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1+2+3+4+5+6=21?
1+2+3+4+5+6+7=28?
1+23+33+43+53=225=152=?1+2+3+4+5?2?
1+23+33+43+53+63=441=212=?1+2+3+4+5+6?2?
1+23+33+43+53+63+73=784=282=?1+2+3+4+5+6+7?2.
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1.?2008?????????????????????????
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2??2008?????????????????????????????1583.45????????????????? ???????????
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7?(2008????)2008?5?12???????????????????????
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8????3.14104??????? ?
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9?2004????????????GDP??3466.53??????????????
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C?3.467103?? D?3.467104??
10??????10.08?0.1008????????? ? ?
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发表于 2019-9-13 23:46:11