>> >> a1 = 100
a1 =
100
>> b1=9801
b1 =
9801
>> >> c1 = a1/b1
c1 =
0.0102
>>
>> format long >> c1 = a1/b1 c1 = 0.010203040506071 >>
100/9801
原文：https://www.cnblogs.com/herd/p/13390529.html
