2.14-8/17-17分之3*3简便算法_数学解答

2.14-8/17-17分之3*3简便算法

人气：110 ℃　时间：2020-09-17 21:21:28

解答

2.14 - 8/17 - (3*3)/17
= 2.14 - 8/17 - 9/17
= 2.14 - (8+9)/17
= 2.14 - 17/17
= 2.14 - 1
= 1.14