x No Plagiarism!riskmbJmWeD7pE7wvYg8posted on PENANA 放下就跟作 0.9‾循環有理數一樣,看似你沒辦法到1,但能無限接近他89Please respect copyright.PENANAUtBAK9Q7KM8964 copyright protection85PENANA2C4FQpmK6f 維尼3.145.70.197ns3.145.70.197da2