用简便方法计算:6.9-4.5×0.8-0.4
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/25 22:27:47
用简便方法计算:6.9-4.5×0.8-0.4用简便方法计算:6.9-4.5×0.8-0.4用简便方法计算:6.9-4.5×0.8-0.46.9-4.5×0.8-0.4=6.9-3.6-0.4=6.9
用简便方法计算:6.9-4.5×0.8-0.4
用简便方法计算:6.9-4.5×0.8-0.4
用简便方法计算:6.9-4.5×0.8-0.4
6.9-4.5×0.8-0.4
=6.9-3.6-0.4
=6.9-4
=2.9