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elim 发表于 2017-10-23 21:03 0.123456789=123456789/(10^9) 0.1234567891011...99=1234567891011...99/(10^99)
elim 发表于 2017-10-23 21:03 0.123456789=123456789/(10^9) 0.1234567891011...99=1234567891011...99/(10^189)
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