(7.44+5.96)-(123.1-23.1)要怎样简便计算?_数学解答

(7.44+5.96)-(123.1-23.1)要怎样简便计算?

人气：265 ℃　时间：2020-09-17 21:10:40

解答

(7.44+5.96)-(123.1-23.1)
=(7.4+0.04+5.96)-(123.1-23.1)
=(7.4+6)+100
=13.4+100
=113.4