4.25-(18.1-15.27)简便计算,可以简便吗?和3.84-2.9+2.16-3.1
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 12:46:17
![4.25-(18.1-15.27)简便计算,可以简便吗?和3.84-2.9+2.16-3.1](/uploads/image/z/14079-39-9.jpg?t=4.25-%2818.1-15.27%29%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%2C%E5%8F%AF%E4%BB%A5%E7%AE%80%E4%BE%BF%E5%90%97%3F%E5%92%8C3.84-2.9%2B2.16-3.1)
4.25-(18.1-15.27)简便计算,可以简便吗?和3.84-2.9+2.16-3.1
4.25-(18.1-15.27)简便计算,可以简便吗?和3.84-2.9+2.16-3.1
4.25-(18.1-15.27)简便计算,可以简便吗?和3.84-2.9+2.16-3.1
4.25-(18.1-15.27)
=4.25+15.27-18.1
=19.52-18.1
=1.42
3.84-2.9+2.16-3.1
=(3.84+2.16)-(2.9+3.1)
=6-6
=0
4.25+15.27-18.1=1.42
3.84+2.16-(2.9+3.1)=0
4.25-(18.1-15.27) 直接算就可以了
3.84-2.9+2.16-3.1=(3.84+2.16)-(2.9+3.1)=0