30.2-17.64+1.539简便方法计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 12:05:01
![30.2-17.64+1.539简便方法计算](/uploads/image/z/432341-53-1.jpg?t=30.2-17.64%2B1.539%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97)
30.2-17.64+1.539简便方法计算
30.2-17.64+1.539简便方法计算
30.2-17.64+1.539简便方法计算
30.2-17.64+1.539
=30.2-17.64+(1.54-0.001)
=30.2-17.64+1.54-0.001
=30.2-(17.64-1.54)-0.001
=30.2-16.1-0.001
=14.1-0.001
=14.099