简算:2.97÷1.25÷0.8
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 19:36:07
![简算:2.97÷1.25÷0.8](/uploads/image/z/168944-32-4.jpg?t=%E7%AE%80%E7%AE%97%EF%BC%9A2.97%C3%B71.25%C3%B70.8)
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简算:2.97÷1.25÷0.8
简算:2.97÷1.25÷0.8
简算:2.97÷1.25÷0.8
利用结合律
2.97÷1.25÷0.8
=2.97÷(1.25x0.8)
=2.97÷1
=2.97
=2.97/(1.25*0.8)=2.97/1=2.97
2.97÷(1.25×0.8)
=2.97÷1
=2.97
简算:2.97÷1.25÷0.8
解,得:
==2.97/(1.25*0.8)
==2.97/1
==2.97
原式=2.97÷(1.25X0.8)=2.97÷1=2.97
先化成分数吧,2.97化成(3-0.03)
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