18.5—0.5*0.5—2.75简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 01:44:18
![18.5—0.5*0.5—2.75简便计算](/uploads/image/z/1009429-61-9.jpg?t=18.5%E2%80%940.5%2A0.5%E2%80%942.75%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
18.5—0.5*0.5—2.75简便计算
18.5—0.5*0.5—2.75简便计算
18.5—0.5*0.5—2.75简便计算
18.5—0.5*0.5—2.75
=18.5-0.25-2.75
=18.5-(0.25+2.75)
=18.5-3
=15.5
=18.5-0.25-2.75
=18.5-(0.25+2.75)
=18.5-3
=15.5
18.5—0.5*0.5—2.75=18.5—(0.5*0.5+2.75)=18.5-3=15.5