简算:29/29又29/30

问题描述:

简算:29/29又29/30

29/29又29/30
=29/(29+29/30)
=29/[(29*30+29)/30]
=29*30/(29*30+29)
=30/(30+1)
=30/31

59/30

29÷(29+29/30)=1+30=31