简便方法,3.12×0.99+31.2×0.001
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 09:15:32
![简便方法,3.12×0.99+31.2×0.001](/uploads/image/z/15232561-25-1.jpg?t=%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%2C3.12%C3%970.99%EF%BC%8B31.2%C3%970.001)
简便方法,3.12×0.99+31.2×0.001
简便方法,3.12×0.99+31.2×0.001
简便方法,3.12×0.99+31.2×0.001
3.12×0.99+31.2×0.001
=3.12×0.99+3.12×0.01
=3.12×(0.99+0.01)
=3.12×1
=3.12
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来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 09:15:32
简便方法,3.12×0.99+31.2×0.001
简便方法,3.12×0.99+31.2×0.001
简便方法,3.12×0.99+31.2×0.001
3.12×0.99+31.2×0.001
=3.12×0.99+3.12×0.01
=3.12×(0.99+0.01)
=3.12×1
=3.12