简便算：8.68-8.68/0.56*0.5_数学解答

简便算：8.68-8.68/0.56*0.5

人气：256 ℃　时间：2019-10-08 23:26:20

解答

8.68-8.68/0.56*0.5
=8.68(1-0.5/0.56)
=8.68×(1-50/56)
=8.68×6/56
=8.68×3/28
=0.93