1/86+303/4343+90909/868686+13131313/43434343

分类: 作业答案 • 2022-03-04 00:28:19

问题描述：

答

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