2-5/12÷7/24+2/7 简便计算（递等式,

分类: 作业答案 • 2022-05-05 19:38:12

问题描述：

答

2-5/12÷7/24+2/7
=2-5/12x24/7+2/7
=2-10/7+2/7
=2-8/7
=6/7