102×0.45怎么简便
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/14 05:10:48
![102×0.45怎么简便](/uploads/image/z/10252478-38-8.jpg?t=102%C3%970.45%E6%80%8E%E4%B9%88%E7%AE%80%E4%BE%BF)
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102×0.45怎么简便
102×0.45怎么简便
102×0.45怎么简便
102×0.45
=(100+2)*0.45
=45+0.9
=45.9
102×0.45
=(100+2)×0.45
=45 +0.9
=45.9
102×0.45=(100+2)×0.45=100×0.45+2×0.45=45+0.9=45.9
102×0.45
=(100+2)×0.45
=100×0.45+2×0.45
=45 +0.9
=45.9
102×0.45
=(100+2)×0.45
=100×0.45+2×0.45
=45 +0.9
=45.9