手機尾號暴露了你的年齡?太准了!不信你試試
Rounding and Significant Digits - Purplemath 年齡與手機號碼的秘密! 不可思議的准! 以後知道手機號就知道年齡了 大概花15秒吧, 一面讀一面做,才不會失去樂趣。 [1] 看一下你手機號的最後一位; [2] 把這個數字乘上2; [3Explains how to round to a given number of 'significant digits'. ... 1000 has one significant digit (only the 1 is interesting; you don't know anything for sure about ......
全文閱讀