2-6/13÷9/26-2/3 简便运算

分类: 作业答案 • 2021-12-19 15:52:44

问题描述：

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