(39/1+35/2)x13+35/9怎样简便算
问题描述：
(39/1+35/2)x13+35/9怎样简便算
答
(39/1+35/2)x13+35/9
=39/1x13+35/2x13+35/9
=3/1+35/26+35/9
=3/1+1
=3/4