露雷夢的話:
老頑童的話:
那~
2.718281828夜情,
3.14159265358979夜情,......呢?!
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很想知道小數點之後的數字
是代表什麼??
(好奇探頭ING)
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e = 2.71828182845904523536...
http://en.wikipedia.org/wiki/E_(mathematical_constant)
π = 3.1415926535897932384626433832795066...
http://en.wikipedia.org/wiki/Pi