72是奇2的意思.
很多人知道,买债券翻倍的年数与72有关,如3,4,5...%的债券大约72/3,72/5,72/5...年.
但是有知道7.846871453%人吗?
(1.07846871453)^(72/7.846871453)=2.
如x
x>7.846871453%,翻倍的年数>72/x
为什么?
72是奇2的意思.
很多人知道,买债券翻倍的年数与72有关,如3,4,5...%的债券大约72/3,72/5,72/5...年.
但是有知道7.846871453%人吗?
(1.07846871453)^(72/7.846871453)=2.
如x
x>7.846871453%,翻倍的年数>72/x
为什么?
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