列拖式(1/3-1/4)除1/2+5/6

问题描述:

列拖式(1/3-1/4)除1/2+5/6

1/3-1/4=1/12
(1/3-1/4)除1/2+5/6
=1/2/(1/3-1/4)+5/6
=6+5/6
=41/6