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這不是絕對的。有的積分是發散的,有時是收斂的,看衰減速度了。你說的無窮個數
-還是沒筆名-
♂
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12/21/2012 postreply
18:22:59
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一尺之棰,日截其半,萬世不竭
-精靈寶鑽-
♂
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12/23/2012 postreply
23:12:11
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