1/86+303/4343+90909/868686+13131313/43434343
1/86+303/4343+90909/868686+13131313/43434343
日期：2021-01-25 11:51:56 人气：1
1/86+303/4343+90909/868686+13131313/43434343
=1/86+9*10101/86*10101+3*101/43*101+13*1010101/43*1010101
=(1/86+9/86)+(3/43+13/43)
=5/43+16/43
=21/43