简便计算:1/3+(3/4-2/3)除以1/5 = 1-6/11除以21/22-3/7 =

问题描述:

简便计算:1/3+(3/4-2/3)除以1/5 = 1-6/11除以21/22-3/7 =
简便计算:
1/3+(3/4-2/3)除以1/5
=
1-6/11除以21/22-3/7
=
,