用简便算法:3.64×0.8 6.36×0.8-3.8
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 05:12:46
用简便算法:3.64×0.8 6.36×0.8-3.8
用简便算法:3.64×0.8 6.36×0.8-3.8
用简便算法:3.64×0.8 6.36×0.8-3.8
3.64×0.8+6.36×0.8-3.8
=(3.64+6.36)×0.8-3.8
=10×0.8-3.8
=8-3.8
=4.2
用简便算法:3.64×0.8 6.36×0.8-3.8
用简便算法:3.64×0.8 6.36×0.8-3.8
用简便算法:3.64×0.8 6.36×0.8-3.8
3.64×0.8+6.36×0.8-3.8
=(3.64+6.36)×0.8-3.8
=10×0.8-3.8
=8-3.8
=4.2