#i在drracket里是什么原理求大神解释一下

#i5 reads equal to (exact->inexact 5)
#i 把数转换成非精确表达。小数精度有限
相对的有
#e 精确表达。小数以分数形式精确表达

A number is optionally prefixed by an exactness specifier,#e (exact) or #i (inexact), which specifies its parsing as an exact or inexact number;

吧主的解释可以说是非常到位了