11/5*(1/3-1/2)*11分之3除以4分之5
问题描述：
11/5*(1/3-1/2)*11分之3除以4分之5
2-2除以3分之1*3
答
11/5*(1/3-1/2)*3/11/(5/4)
=11/5*1/6*3/11*4/5
=2/25