0.75*9.9+0.075 简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 16:52:54
![0.75*9.9+0.075 简便计算](/uploads/image/z/436084-52-4.jpg?t=0.75%2A9.9%2B0.075+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
0.75*9.9+0.075 简便计算
0.75*9.9+0.075 简便计算
0.75*9.9+0.075 简便计算
0.75*9.9+0.075
=0.75*9.9+0.75*0.1
=0.75*(9.9+0.1)
=0.75*10
=7.5
如有不明白,可以追问
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0.75*9.9+0.75*0.1=0.75*(9.9+0.1)=7.5
=0.75*9.9+0.75*0.1
=0.75*10
=7.5