简便计算：2减6/13除以9/26减2/3
问题描述：
简便计算：2减6/13除以9/26减2/3
答
2-6/13÷9/26-2/3
=2-6/13×26/9-2/3
=2-4/3-2/3
=2-(4/3+2/3)
=2-2
=0