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double的精度当然是非常低的呀，用BigDecimal吧（无限精度），再转换为string就好了

Posted by ecjtubaowp at 2008-01-12 10:49:02 on Problem 1001
In Reply To:为什么用ＪＡＶＡ计算pow(a,b)得到的结果与 sample output　不一样啊 Posted by:duduniao85 at 2008-01-12 10:06:47 
> 如题，例如：
> input:
> 6.7592  9
> 98.999 10
> 1.0100 12
> 
> output:
> 2.944812676412102E7
> 9.042907274362949E19
> 1.1268250301319698
> 
> 虽然用的是科学记数法，但为什么'E'前面的数字相差已经这么大了？
> 我用的是：a: double类型 b: int类型
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